20266202004020 has 24 divisors (see below), whose sum is σ = 48638884809984. Its totient is φ = 6948412115616.

The previous prime is 20266202003987. The next prime is 20266202004043. The reversal of 20266202004020 is 2040020266202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72379292732 + ... + 72379293011.

It is an arithmetic number, because the mean of its divisors is an integer number (2026620200416).

Almost surely, 2^{20266202004020} is an apocalyptic number.

20266202004020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20266202004020 is an abundant number, since it is smaller than the sum of its proper divisors (28372682805964).

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

20266202004020 is a wasteful number, since it uses less digits than its factorization.

20266202004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144758585759 (or 144758585757 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 20266202004020 in words is "twenty trillion, two hundred sixty-six billion, two hundred two million, four thousand, twenty".