20480134072 has 32 divisors (see below), whose sum is σ = 39341090880. Its totient is φ = 9991313280.

The previous prime is 20480134061. The next prime is 20480134079. The reversal of 20480134072 is 27043108402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480134079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56688 + ... + 210175.

It is an arithmetic number, because the mean of its divisors is an integer number (1229409090).

Almost surely, 2^20480134072 is an apocalyptic number.

It is an amenable number.

20480134072 is a deficient number, since it is larger than the sum of its proper divisors (18860956808).

20480134072 is a wasteful number, since it uses less digits than its factorization.

20480134072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267103 (or 267099 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 20480134072 in words is "twenty billion, four hundred eighty million, one hundred thirty-four thousand, seventy-two".