20002203004121 has 64 divisors (see below), whose sum is σ = 23135804713728. Its totient is φ = 17129279029248.

The previous prime is 20002203004109. The next prime is 20002203004139. The reversal of 20002203004121 is 12140030220002.

It is a cyclic number.

It is not a de Polignac number, because 20002203004121 - 2²⁶ = 20002135895257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002203004121.

It is not an unprimeable number, because it can be changed into a prime (20002203004171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6244832306 + ... + 6244835508.

It is an arithmetic number, because the mean of its divisors is an integer number (361496948652).

Almost surely, 2^{20002203004121} is an apocalyptic number.

It is an amenable number.

20002203004121 is a deficient number, since it is larger than the sum of its proper divisors (3133601709607).

20002203004121 is a wasteful number, since it uses less digits than its factorization.

20002203004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20002203004121 its reverse (12140030220002), we get a palindrome (32142233224123).

The spelling of 20002203004121 in words is "twenty trillion, two billion, two hundred three million, four thousand, one hundred twenty-one".