20875923950 has 24 divisors (see below), whose sum is σ = 44376250512. Its totient is φ = 7157459520.

The previous prime is 20875923947. The next prime is 20875923973. The reversal of 20875923950 is 5932957802.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 11 ways as a sum of consecutive naturals, for example, 29822399 + ... + 29823098.

It is an arithmetic number, because the mean of its divisors is an integer number (1849010438).

Almost surely, 2^20875923950 is an apocalyptic number.

20875923950 is an abundant number, since it is smaller than the sum of its proper divisors (23500326562).

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

20875923950 is a wasteful number, since it uses less digits than its factorization.

20875923950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59645516 (or 59645511 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 20875923950 in words is "twenty billion, eight hundred seventy-five million, nine hundred twenty-three thousand, nine hundred fifty".