20360843460 has 72 divisors (see below), whose sum is σ = 65011826880. Its totient is φ = 5143791168.

The previous prime is 20360843429. The next prime is 20360843497. The reversal of 20360843460 is 6434806302.

It is a happy number.

20360843460 is a `hidden beast` number, since 2 + 0 + 3 + 608 + 4 + 3 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2973312 + ... + 2980151.

It is an arithmetic number, because the mean of its divisors is an integer number (902942040).

Almost surely, 2^20360843460 is an apocalyptic number.

20360843460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20360843460 is an abundant number, since it is smaller than the sum of its proper divisors (44650983420).

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

20360843460 is a wasteful number, since it uses less digits than its factorization.

20360843460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953497 (or 5953492 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20360843460 in words is "twenty billion, three hundred sixty million, eight hundred forty-three thousand, four hundred sixty".