20424554704 has 20 divisors (see below), whose sum is σ = 40642104964. Its totient is φ = 9936269568.

The previous prime is 20424554699. The next prime is 20424554707. The reversal of 20424554704 is 40745542402.

It can be written as a sum of positive squares in 2 ways, for example, as 19307658304 + 1116896400 = 138952^2 + 33420^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424554707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17249877 + ... + 17251060.

Almost surely, 2^20424554704 is an apocalyptic number.

It is an amenable number.

20424554704 is a deficient number, since it is larger than the sum of its proper divisors (20217550260).

20424554704 is a wasteful number, since it uses less digits than its factorization.

20424554704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500982 (or 34500976 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 37.

It can be divided in two parts, 20424 and 554704, that added together give a triangular number (575128 = T₁₀₇₂).

The spelling of 20424554704 in words is "twenty billion, four hundred twenty-four million, five hundred fifty-four thousand, seven hundred four".