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2020152222 = 2321118156369
BaseRepresentation
bin111100001101001…
…0001001110011110
312012210021100212200
41320122101032132
513114124332342
6532242512330
7101030003424
oct17032211636
95183240780
102020152222
119473612a0
124846656a6
132626b1b5a
14152423114
15bc54394c
hex7869139e

2020152222 has 48 divisors (see below), whose sum is σ = 4801371120. Its totient is φ = 608774400.

The previous prime is 2020152217. The next prime is 2020152227. The reversal of 2020152222 is 2222510202.

It is an interprime number because it is at equal distance from previous prime (2020152217) and next prime (2020152227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2020152195 and 2020152204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020152227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7654 + ... + 64022.

It is an arithmetic number, because the mean of its divisors is an integer number (100028565).

Almost surely, 22020152222 is an apocalyptic number.

2020152222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020152222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400685560).

2020152222 is an abundant number, since it is smaller than the sum of its proper divisors (2781218898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020152222 is a wasteful number, since it uses less digits than its factorization.

2020152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56569 (or 56566 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2020152222 is about 44946.1035241099. The cubic root of 2020152222 is about 1264.1386173454.

Adding to 2020152222 its reverse (2222510202), we get a palindrome (4242662424).

The spelling of 2020152222 in words is "two billion, twenty million, one hundred fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 181 198 362 543 1086 1629 1991 3258 3982 5973 11946 17919 35838 56369 112738 169107 338214 507321 620059 1014642 1240118 1860177 3720354 5580531 10202789 11161062 20405578 30608367 61216734 91825101 112230679 183650202 224461358 336692037 673384074 1010076111 2020152222