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20224522031 = 759734191601
BaseRepresentation
bin10010110101011110…
…011011011100101111
31221012111000011120112
4102311132123130233
5312404434201111
613142505410235
71314116413040
oct226536333457
957174004515
1020224522031
11863924081a
123b0519997b
131ba40696cc
14d9c04c8c7
157d581ae8b
hex4b579b72f

20224522031 has 32 divisors (see below), whose sum is σ = 23899276800. Its totient is φ = 16757452800.

The previous prime is 20224521997. The next prime is 20224522057. The reversal of 20224522031 is 13022542202.

It is a cyclic number.

It is not a de Polignac number, because 20224522031 - 210 = 20224521007 is a prime.

It is a super-2 number, since 2×202245220312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20224521988 and 20224522006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224572031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12631631 + ... + 12633231.

It is an arithmetic number, because the mean of its divisors is an integer number (746852400).

Almost surely, 220224522031 is an apocalyptic number.

20224522031 is a deficient number, since it is larger than the sum of its proper divisors (3674754769).

20224522031 is a wasteful number, since it uses less digits than its factorization.

20224522031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 1920, while the sum is 23.

The spelling of 20224522031 in words is "twenty billion, two hundred twenty-four million, five hundred twenty-two thousand, thirty-one".

Divisors: 1 7 59 73 413 419 511 1601 2933 4307 11207 24721 30149 30587 94459 116873 173047 214109 661213 670819 818111 1804633 4695733 6895507 12632431 39578321 48268549 48969787 277048247 342788509 2889217433 20224522031