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22210002020 = 2254915873853
BaseRepresentation
bin10100101011110100…
…011011110001100100
32010022212001000002102
4110223310123301210
5330441230031040
614111513231232
71414245621323
oct245364336144
963285030072
1022210002020
119467a70278
12437a102518
13212c4cba3b
141109a080ba
1589ecb1515
hex52bd1bc64

22210002020 has 48 divisors (see below), whose sum is σ = 46827764928. Its totient is φ = 8848506240.

The previous prime is 22210002013. The next prime is 22210002029. The reversal of 22210002020 is 2020001222.

It is a junction number, because it is equal to n+sod(n) for n = 22210001992 and 22210002010.

It is not an unprimeable number, because it can be changed into a prime (22210002029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5762414 + ... + 5766266.

It is an arithmetic number, because the mean of its divisors is an integer number (975578436).

Almost surely, 222210002020 is an apocalyptic number.

22210002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210002020 is an abundant number, since it is smaller than the sum of its proper divisors (24617762908).

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

22210002020 is a wasteful number, since it uses less digits than its factorization.

22210002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22210002020 its reverse (2020001222), we get a palindrome (24230003242).

The spelling of 22210002020 in words is "twenty-two billion, two hundred ten million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 491 587 982 1174 1964 2348 2455 2935 3853 4910 5870 7706 9820 11740 15412 19265 38530 77060 288217 576434 1152868 1441085 1891823 2261711 2882170 3783646 4523422 5764340 7567292 9046844 9459115 11308555 18918230 22617110 37836460 45234220 1110500101 2221000202 4442000404 5552500505 11105001010 22210002020