20420013132332 has 12 divisors (see below), whose sum is σ = 38983661434536. Its totient is φ = 9281824151040.

The previous prime is 20420013132307. The next prime is 20420013132361. The reversal of 20420013132332 is 23323131002402.

It is a happy number.

It is a super-2 number, since 2×20420013132332² (a number of 27 digits) contains 22 as substring.

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, 232045603733 + ... + 232045603820.

It is an arithmetic number, because the mean of its divisors is an integer number (3248638452878).

Almost surely, 2^{20420013132332} is an apocalyptic number.

20420013132332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20420013132332 is a deficient number, since it is larger than the sum of its proper divisors (18563648302204).

20420013132332 is a wasteful number, since it uses less digits than its factorization.

20420013132332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464091207568 (or 464091207566 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20420013132332 its reverse (23323131002402), we get a palindrome (43743144134734).

The spelling of 20420013132332 in words is "twenty trillion, four hundred twenty billion, thirteen million, one hundred thirty-two thousand, three hundred thirty-two".