20012752734 has 32 divisors (see below), whose sum is σ = 43747751040. Its totient is φ = 6065861472.

The previous prime is 20012752729. The next prime is 20012752769. The reversal of 20012752734 is 43725721002.

It is a junction number, because it is equal to n+sod(n) for n = 20012752695 and 20012752704.

It is a congruent number.

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, 1909504 + ... + 1919955.

It is an arithmetic number, because the mean of its divisors is an integer number (1367117220).

Almost surely, 2^20012752734 is an apocalyptic number.

20012752734 is an abundant number, since it is smaller than the sum of its proper divisors (23734998306).

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

20012752734 is a wasteful number, since it uses less digits than its factorization.

20012752734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829544.

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 20012752734 in words is "twenty billion, twelve million, seven hundred fifty-two thousand, seven hundred thirty-four".