20074693720 has 32 divisors (see below), whose sum is σ = 45590202000. Its totient is φ = 7954830208.

The previous prime is 20074693711. The next prime is 20074693739. The reversal of 20074693720 is 2739647002.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340895 + ... + 2349454.

Almost surely, 2^20074693720 is an apocalyptic number.

20074693720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20074693720 is an abundant number, since it is smaller than the sum of its proper divisors (25515508280).

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

20074693720 is a wasteful number, since it uses less digits than its factorization.

20074693720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690467 (or 4690463 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 20074693720 in words is "twenty billion, seventy-four million, six hundred ninety-three thousand, seven hundred twenty".