20236926976 has 136 divisors (see below), whose sum is σ = 47781146624. Its totient is φ = 8387297280.

The previous prime is 20236926971. The next prime is 20236926991. The reversal of 20236926976 is 67962963202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20236926971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14220601 + ... + 14222023.

Almost surely, 2^20236926976 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 20236926976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23890573312).

20236926976 is an abundant number, since it is smaller than the sum of its proper divisors (27544219648).

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

20236926976 is an frugal number, since it uses more digits than its factorization.

20236926976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 20236926976 in words is "twenty billion, two hundred thirty-six million, nine hundred twenty-six thousand, nine hundred seventy-six".