20361236336 has 40 divisors (see below), whose sum is σ = 45208535040. Its totient is φ = 8702449344.

The previous prime is 20361236321. The next prime is 20361236339. The reversal of 20361236336 is 63363216302.

It is a junction number, because it is equal to n+sod(n) for n = 20361236296 and 20361236305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361236339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206576 + ... + 288783.

It is an arithmetic number, because the mean of its divisors is an integer number (1130213376).

Almost surely, 2^20361236336 is an apocalyptic number.

It is an amenable number.

20361236336 is an abundant number, since it is smaller than the sum of its proper divisors (24847298704).

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

20361236336 is a wasteful number, since it uses less digits than its factorization.

20361236336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495741 (or 495735 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 20361236336 in words is "twenty billion, three hundred sixty-one million, two hundred thirty-six thousand, three hundred thirty-six".