20557467048 has 64 divisors (see below), whose sum is σ = 51895264320. Its totient is φ = 6785856000.

The previous prime is 20557467043. The next prime is 20557467067. The reversal of 20557467048 is 84076475502.

It is a super-3 number, since 3×20557467048³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20557466988 and 20557467006.

It is not an unprimeable number, because it can be changed into a prime (20557467041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376823 + ... + 1391673.

It is an arithmetic number, because the mean of its divisors is an integer number (810863505).

Almost surely, 2^20557467048 is an apocalyptic number.

It is an amenable number.

20557467048 is an abundant number, since it is smaller than the sum of its proper divisors (31337797272).

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

20557467048 is a wasteful number, since it uses less digits than its factorization.

20557467048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15414 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 20557467048 in words is "twenty billion, five hundred fifty-seven million, four hundred sixty-seven thousand, forty-eight".