20413752996 has 144 divisors (see below), whose sum is σ = 60490034304. Its totient is φ = 5309950464.

The previous prime is 20413752977. The next prime is 20413753033. The reversal of 20413752996 is 69925731402.

It is a super-2 number, since 2×20413752996² (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 47 ways as a sum of consecutive naturals, for example, 539721 + ... + 576303.

Almost surely, 2^20413752996 is an apocalyptic number.

20413752996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413752996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30245017152).

20413752996 is an abundant number, since it is smaller than the sum of its proper divisors (40076281308).

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

20413752996 is a wasteful number, since it uses less digits than its factorization.

20413752996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36690 (or 36681 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 20413752996 in words is "twenty billion, four hundred thirteen million, seven hundred fifty-two thousand, nine hundred ninety-six".