20875401548 has 6 divisors (see below), whose sum is σ = 36531952716. Its totient is φ = 10437700772.

The previous prime is 20875401539. The next prime is 20875401551. The reversal of 20875401548 is 84510457802.

It is a junction number, because it is equal to n+sod(n) for n = 20875401499 and 20875401508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609425190 + ... + 2609425197.

It is an arithmetic number, because the mean of its divisors is an integer number (6088658786).

Almost surely, 2^20875401548 is an apocalyptic number.

It is an amenable number.

20875401548 is a deficient number, since it is larger than the sum of its proper divisors (15656551168).

20875401548 is a wasteful number, since it uses less digits than its factorization.

20875401548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218850391 (or 5218850389 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 20875401548 in words is "twenty billion, eight hundred seventy-five million, four hundred one thousand, five hundred forty-eight".