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20322330220 = 2251016116511
BaseRepresentation
bin10010111011010011…
…100010011001101100
31221110022001100012001
4102323103202121230
5313110004031340
613200322022044
71316414646103
oct227323423154
957408040161
1020322330220
118689475535
123b31aa7924
131bbb3c368a
14dab02d03a
157de1db29a
hex4bb4e266c

20322330220 has 12 divisors (see below), whose sum is σ = 42676893504. Its totient is φ = 8128932080.

The previous prime is 20322330211. The next prime is 20322330227. The reversal of 20322330220 is 2203322302.

It is not an unprimeable number, because it can be changed into a prime (20322330227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508058236 + ... + 508058275.

It is an arithmetic number, because the mean of its divisors is an integer number (3556407792).

Almost surely, 220322330220 is an apocalyptic number.

20322330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322330220 is an abundant number, since it is smaller than the sum of its proper divisors (22354563284).

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

20322330220 is a wasteful number, since it uses less digits than its factorization.

20322330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016116520 (or 1016116518 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20322330220 its reverse (2203322302), we get a palindrome (22525652522).

The spelling of 20322330220 in words is "twenty billion, three hundred twenty-two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1016116511 2032233022 4064466044 5080582555 10161165110 20322330220