20700047374428 has 48 divisors (see below), whose sum is σ = 48922724641280. Its totient is φ = 6811110993024.

The previous prime is 20700047374393. The next prime is 20700047374453. The reversal of 20700047374428 is 82447374000702.

It is a super-2 number, since 2×20700047374428² (a number of 27 digits) contains 22 as substring.

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, 1633776 + ... + 6638472.

Almost surely, 2^{20700047374428} is an apocalyptic number.

It is an amenable number.

20700047374428 is an abundant number, since it is smaller than the sum of its proper divisors (28222677266852).

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

20700047374428 is a wasteful number, since it uses less digits than its factorization.

20700047374428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009146 (or 5009144 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 48.

The spelling of 20700047374428 in words is "twenty trillion, seven hundred billion, forty-seven million, three hundred seventy-four thousand, four hundred twenty-eight".