20502001848 has 32 divisors (see below), whose sum is σ = 51377356800. Its totient is φ = 6817687008.

The previous prime is 20502001837. The next prime is 20502001909. The reversal of 20502001848 is 84810020502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009336 + ... + 1029447.

It is an arithmetic number, because the mean of its divisors is an integer number (1605542400).

Almost surely, 2^20502001848 is an apocalyptic number.

It is an amenable number.

20502001848 is an abundant number, since it is smaller than the sum of its proper divisors (30875354952).

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

20502001848 is a wasteful number, since it uses less digits than its factorization.

20502001848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039211 (or 2039207 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 20502001848 in words is "twenty billion, five hundred two million, one thousand, eight hundred forty-eight".