20200020200999 has 16 divisors (see below), whose sum is σ = 20456082792000. Its totient is φ = 19945594589184.

The previous prime is 20200020200947. The next prime is 20200020201013. The reversal of 20200020200999 is 99900202000202.

It is a cyclic number.

It is not a de Polignac number, because 20200020200999 - 2⁴⁴ = 2607834156583 is a prime.

It is a super-2 number, since 2×20200020200999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200020200699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88681847 + ... + 88909335.

It is an arithmetic number, because the mean of its divisors is an integer number (1278505174500).

Almost surely, 2^{20200020200999} is an apocalyptic number.

20200020200999 is a deficient number, since it is larger than the sum of its proper divisors (256062591001).

20200020200999 is a wasteful number, since it uses less digits than its factorization.

20200020200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231082.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 20200020200999 in words is "twenty trillion, two hundred billion, twenty million, two hundred thousand, nine hundred ninety-nine".