20503127620 has 48 divisors (see below), whose sum is σ = 45340948800. Its totient is φ = 7766478720.

The previous prime is 20503127611. The next prime is 20503127647. The reversal of 20503127620 is 2672130502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077751 + ... + 1096609.

It is an arithmetic number, because the mean of its divisors is an integer number (944603100).

Almost surely, 2^20503127620 is an apocalyptic number.

20503127620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20503127620 is an abundant number, since it is smaller than the sum of its proper divisors (24837821180).

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

20503127620 is a wasteful number, since it uses less digits than its factorization.

20503127620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21748 (or 21746 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20503127620 in words is "twenty billion, five hundred three million, one hundred twenty-seven thousand, six hundred twenty".