20001837272830 has 48 divisors (see below), whose sum is σ = 41882447097936. Its totient is φ = 6857601004800.

The previous prime is 20001837272827. The next prime is 20001837272849. The reversal of 20001837272830 is 3827273810002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19901905 + ... + 20882755.

It is an arithmetic number, because the mean of its divisors is an integer number (872550981207).

Almost surely, 2^{20001837272830} is an apocalyptic number.

20001837272830 is an abundant number, since it is smaller than the sum of its proper divisors (21880609825106).

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

20001837272830 is a wasteful number, since it uses less digits than its factorization.

20001837272830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022489 (or 1022482 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 20001837272830 in words is "twenty trillion, one billion, eight hundred thirty-seven million, two hundred seventy-two thousand, eight hundred thirty".