20259626965026 has 32 divisors (see below), whose sum is σ = 43131080491200. Its totient is φ = 6325891799040.

The previous prime is 20259626964989. The next prime is 20259626965087. The reversal of 20259626965026 is 62056962695202.

It is a super-2 number, since 2×20259626965026² (a number of 27 digits) contains 22 as substring.

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, 998394495 + ... + 998414786.

It is an arithmetic number, because the mean of its divisors is an integer number (1347846265350).

Almost surely, 2^{20259626965026} is an apocalyptic number.

20259626965026 is an abundant number, since it is smaller than the sum of its proper divisors (22871453526174).

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

20259626965026 is a wasteful number, since it uses less digits than its factorization.

20259626965026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996809394.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 20259626965026 in words is "twenty trillion, two hundred fifty-nine billion, six hundred twenty-six million, nine hundred sixty-five thousand, twenty-six".