20069426792 has 16 divisors (see below), whose sum is σ = 37644209700. Its totient is φ = 10030970880.

The previous prime is 20069426747. The next prime is 20069426801. The reversal of 20069426792 is 29762496002.

It can be written as a sum of positive squares in 2 ways, for example, as 19837595716 + 231831076 = 140846^2 + 15226^2 .

It is a super-2 number, since 2×20069426792² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444959 + ... + 487982.

Almost surely, 2^20069426792 is an apocalyptic number.

It is an amenable number.

20069426792 is a deficient number, since it is larger than the sum of its proper divisors (17574782908).

20069426792 is a wasteful number, since it uses less digits than its factorization.

20069426792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935636 (or 935632 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 20069426792 in words is "twenty billion, sixty-nine million, four hundred twenty-six thousand, seven hundred ninety-two".