20201102020122 has 64 divisors (see below), whose sum is σ = 41988526694400. Its totient is φ = 6472376539200.

The previous prime is 20201102020111. The next prime is 20201102020159. The reversal of 20201102020122 is 22102020110202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20657088 + ... + 21612900.

It is an arithmetic number, because the mean of its divisors is an integer number (656070729600).

Almost surely, 2^{20201102020122} is an apocalyptic number.

20201102020122 is an abundant number, since it is smaller than the sum of its proper divisors (21787424674278).

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

20201102020122 is a wasteful number, since it uses less digits than its factorization.

20201102020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956619.

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

Adding to 20201102020122 its reverse (22102020110202), we get a palindrome (42303122130324).

The spelling of 20201102020122 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty thousand, one hundred twenty-two".