20330554012 has 12 divisors (see below), whose sum is σ = 35757257200. Its totient is φ = 10114194816.

The previous prime is 20330554009. The next prime is 20330554019. The reversal of 20330554012 is 21045503302.

It is a super-2 number, since 2×20330554012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330554019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12769653 + ... + 12771244.

Almost surely, 2^20330554012 is an apocalyptic number.

It is an amenable number.

20330554012 is a deficient number, since it is larger than the sum of its proper divisors (15426703188).

20330554012 is a wasteful number, since it uses less digits than its factorization.

20330554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541100 (or 25541098 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 20330554012 in words is "twenty billion, three hundred thirty million, five hundred fifty-four thousand, twelve".