20626893750 has 48 divisors (see below), whose sum is σ = 51563980944. Its totient is φ = 5500500000.

The previous prime is 20626893731. The next prime is 20626893757. The reversal of 20626893750 is 5739862602.

It is a self number, because there is not a number n which added to its sum of digits gives 20626893750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626893757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531301 + ... + 568800.

It is an arithmetic number, because the mean of its divisors is an integer number (1074249603).

Almost surely, 2^20626893750 is an apocalyptic number.

20626893750 is an abundant number, since it is smaller than the sum of its proper divisors (30937087194).

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

20626893750 is an equidigital number, since it uses as much as digits as its factorization.

20626893750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100131 (or 1100111 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 20626893750 in words is "twenty billion, six hundred twenty-six million, eight hundred ninety-three thousand, seven hundred fifty".