20723222526 has 32 divisors (see below), whose sum is σ = 41806395648. Its totient is φ = 6847888320.

The previous prime is 20723222503. The next prime is 20723222561. The reversal of 20723222526 is 62522232702.

It is a super-2 number, since 2×20723222526² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593781 + ... + 627711.

It is an arithmetic number, because the mean of its divisors is an integer number (1306449864).

Almost surely, 2^20723222526 is an apocalyptic number.

20723222526 is an abundant number, since it is smaller than the sum of its proper divisors (21083173122).

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

20723222526 is a wasteful number, since it uses less digits than its factorization.

20723222526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34816.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 20723222526 in words is "twenty billion, seven hundred twenty-three million, two hundred twenty-two thousand, five hundred twenty-six".