20302112332 has 12 divisors (see below), whose sum is σ = 37398628120. Its totient is φ = 9616790016.

The previous prime is 20302112297. The next prime is 20302112333. The reversal of 20302112332 is 23321120302.

It is a super-2 number, since 2×20302112332² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20302112333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133566453 + ... + 133566604.

Almost surely, 2^20302112332 is an apocalyptic number.

It is an amenable number.

20302112332 is a deficient number, since it is larger than the sum of its proper divisors (17096515788).

20302112332 is a wasteful number, since it uses less digits than its factorization.

20302112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267133080 (or 267133078 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302112332 its reverse (23321120302), we get a palindrome (43623232634).

The spelling of 20302112332 in words is "twenty billion, three hundred two million, one hundred twelve thousand, three hundred thirty-two".