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20022000222 = 237476714291
BaseRepresentation
bin10010101001011001…
…110111101001011110
31220200100220222212210
4102221121313221132
5312001113001342
613110432541250
71306110123330
oct225131675136
956610828783
1020022000222
118544996124
123a693b1826
131b7110b613
14d7d1b1450
157c2b6479c
hex4a9677a5e

20022000222 has 16 divisors (see below), whose sum is σ = 45764572032. Its totient is φ = 5720571480.

The previous prime is 20022000221. The next prime is 20022000233. The reversal of 20022000222 is 22200022002.

It is a junction number, because it is equal to n+sod(n) for n = 20022000198 and 20022000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238357104 + ... + 238357187.

It is an arithmetic number, because the mean of its divisors is an integer number (2860285752).

Almost surely, 220022000222 is an apocalyptic number.

20022000222 is an abundant number, since it is smaller than the sum of its proper divisors (25742571810).

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

20022000222 is a wasteful number, since it uses less digits than its factorization.

20022000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476714303.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20022000222 its reverse (22200022002), we get a palindrome (42222022224).

The spelling of 20022000222 in words is "twenty billion, twenty-two million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 476714291 953428582 1430142873 2860285746 3337000037 6674000074 10011000111 20022000222