20331933014472 has 64 divisors (see below), whose sum is σ = 50876843592960. Its totient is φ = 6771044121600.

The previous prime is 20331933014447. The next prime is 20331933014513. The reversal of 20331933014472 is 27441033913302.

It is a happy number.

It is a super-2 number, since 2×20331933014472² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302881072 + ... + 302948192.

It is an arithmetic number, because the mean of its divisors is an integer number (794950681140).

Almost surely, 2^{20331933014472} is an apocalyptic number.

It is an amenable number.

20331933014472 is an abundant number, since it is smaller than the sum of its proper divisors (30544910578488).

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

20331933014472 is a wasteful number, since it uses less digits than its factorization.

20331933014472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78614 (or 78610 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

Adding to 20331933014472 its reverse (27441033913302), we get a palindrome (47772966927774).

The spelling of 20331933014472 in words is "twenty trillion, three hundred thirty-one billion, nine hundred thirty-three million, fourteen thousand, four hundred seventy-two".