20132402124 has 12 divisors (see below), whose sum is σ = 46975604984. Its totient is φ = 6710800704.

The previous prime is 20132402051. The next prime is 20132402141. The reversal of 20132402124 is 42120423102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20132402124² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20132402124.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838850077 + ... + 838850100.

Almost surely, 2^20132402124 is an apocalyptic number.

It is an amenable number.

20132402124 is an abundant number, since it is smaller than the sum of its proper divisors (26843202860).

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

20132402124 is a wasteful number, since it uses less digits than its factorization.

20132402124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677700184 (or 1677700182 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20132402124 its reverse (42120423102), we get a palindrome (62252825226).

The spelling of 20132402124 in words is "twenty billion, one hundred thirty-two million, four hundred two thousand, one hundred twenty-four".