20167676936 has 48 divisors (see below), whose sum is σ = 41618325420. Its totient is φ = 9155273600.

The previous prime is 20167676917. The next prime is 20167676951. The reversal of 20167676936 is 63967676102.

It can be written as a sum of positive squares in 2 ways, for example, as 19979822500 + 187854436 = 141350^2 + 13706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758426 + ... + 784566.

Almost surely, 2^20167676936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20167676936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20809162710).

20167676936 is an abundant number, since it is smaller than the sum of its proper divisors (21450648484).

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

20167676936 is a wasteful number, since it uses less digits than its factorization.

20167676936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966 (or 26951 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 20167676936 in words is "twenty billion, one hundred sixty-seven million, six hundred seventy-six thousand, nine hundred thirty-six".