20873420750 has 64 divisors (see below), whose sum is σ = 48092413824. Its totient is φ = 6606086400.

The previous prime is 20873420749. The next prime is 20873420791. The reversal of 20873420750 is 5702437802.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436007 + ... + 481506.

It is an arithmetic number, because the mean of its divisors is an integer number (751443966).

Almost surely, 2^20873420750 is an apocalyptic number.

20873420750 is an abundant number, since it is smaller than the sum of its proper divisors (27218993074).

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

20873420750 is a wasteful number, since it uses less digits than its factorization.

20873420750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917550 (or 917540 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 20873420750 in words is "twenty billion, eight hundred seventy-three million, four hundred twenty thousand, seven hundred fifty".