20263523622 has 16 divisors (see below), whose sum is σ = 40732770672. Its totient is φ = 6720220640.

The previous prime is 20263523591. The next prime is 20263523653. The reversal of 20263523622 is 22632536202.

It is an interprime number because it is at equal distance from previous prime (20263523591) and next prime (20263523653).

It is a super-2 number, since 2×20263523622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8570529 + ... + 8572892.

It is an arithmetic number, because the mean of its divisors is an integer number (2545798167).

Almost surely, 2^20263523622 is an apocalyptic number.

20263523622 is an abundant number, since it is smaller than the sum of its proper divisors (20469247050).

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

20263523622 is a wasteful number, since it uses less digits than its factorization.

20263523622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143623.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 20263523622 in words is "twenty billion, two hundred sixty-three million, five hundred twenty-three thousand, six hundred twenty-two".