20003291432016 has 40 divisors (see below), whose sum is σ = 52186804887264. Its totient is φ = 6601746345600.

The previous prime is 20003291431997. The next prime is 20003291432017. The reversal of 20003291432016 is 61023419230002.

It is a super-2 number, since 2×20003291432016² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003291432017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063040886 + ... + 2063050581.

Almost surely, 2^{20003291432016} is an apocalyptic number.

It is an amenable number.

20003291432016 is an abundant number, since it is smaller than the sum of its proper divisors (32183513455248).

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

20003291432016 is a wasteful number, since it uses less digits than its factorization.

20003291432016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126091579 (or 4126091573 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 20003291432016 in words is "twenty trillion, three billion, two hundred ninety-one million, four hundred thirty-two thousand, sixteen".