20007091736 has 64 divisors (see below), whose sum is σ = 39064826880. Its totient is φ = 9595923840.

The previous prime is 20007091723. The next prime is 20007091747. The reversal of 20007091736 is 63719070002.

It is a super-3 number, since 3×20007091736³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20007091696 and 20007091705.

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, 15593351 + ... + 15594633.

It is an arithmetic number, because the mean of its divisors is an integer number (610387920).

Almost surely, 2^20007091736 is an apocalyptic number.

It is an amenable number.

20007091736 is a deficient number, since it is larger than the sum of its proper divisors (19057735144).

20007091736 is a wasteful number, since it uses less digits than its factorization.

20007091736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 20007091736 in words is "twenty billion, seven million, ninety-one thousand, seven hundred thirty-six".