20512000674 has 48 divisors (see below), whose sum is σ = 48667379904. Its totient is φ = 6192108000.

The previous prime is 20512000673. The next prime is 20512000681. The reversal of 20512000674 is 47600021502.

It is not an unprimeable number, because it can be changed into a prime (20512000673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144877 + ... + 249024.

It is an arithmetic number, because the mean of its divisors is an integer number (1013903748).

Almost surely, 2^20512000674 is an apocalyptic number.

20512000674 is an abundant number, since it is smaller than the sum of its proper divisors (28155379230).

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

20512000674 is a wasteful number, since it uses less digits than its factorization.

20512000674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394183 (or 394180 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 20512000674 in words is "twenty billion, five hundred twelve million, six hundred seventy-four", and thus it is an aban number.