202020202012011 has 16 divisors (see below), whose sum is σ = 269608405299744. Its totient is φ = 134556109864704.

The previous prime is 202020202011989. The next prime is 202020202012061. The reversal of 202020202012011 is 110210202020202.

It is not a de Polignac number, because 202020202012011 - 2⁷ = 202020202011883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202020202012061) 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, 13337845 + ... + 24123401.

It is an arithmetic number, because the mean of its divisors is an integer number (16850525331234).

Almost surely, 2^{202020202012011} is an apocalyptic number.

202020202012011 is a deficient number, since it is larger than the sum of its proper divisors (67588203287733).

202020202012011 is a wasteful number, since it uses less digits than its factorization.

202020202012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10791310.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202020202012011 its reverse (110210202020202), we get a palindrome (312230404032213).

The spelling of 202020202012011 in words is "two hundred two trillion, twenty billion, two hundred two million, twelve thousand, eleven".