20201012011100 has 18 divisors (see below), whose sum is σ = 43836196064304. Its totient is φ = 8080404804400.

The previous prime is 20201012011091. The next prime is 20201012011151. The reversal of 20201012011100 is 111021010202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101005059956 + ... + 101005060155.

Almost surely, 2^{20201012011100} is an apocalyptic number.

20201012011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201012011100 is an abundant number, since it is smaller than the sum of its proper divisors (23635184053204).

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

20201012011100 is a wasteful number, since it uses less digits than its factorization.

20201012011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202010120125 (or 202010120118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201012011100 its reverse (111021010202), we get a palindrome (20312033021302).

The spelling of 20201012011100 in words is "twenty trillion, two hundred one billion, twelve million, eleven thousand, one hundred".