20201002000100 has 54 divisors (see below), whose sum is σ = 46566455161590. Its totient is φ = 7605083095040.

The previous prime is 20201002000031. The next prime is 20201002000159. The reversal of 20201002000100 is 100020010202.

It can be written as a sum of positive squares in 9 ways, for example, as 1516286853376 + 18684715146724 = 1231376^2 + 4322582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 349469405 + ... + 349527204.

Almost surely, 2^{20201002000100} is an apocalyptic number.

20201002000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201002000100 is an abundant number, since it is smaller than the sum of its proper divisors (26365453161490).

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

20201002000100 is a wasteful number, since it uses less digits than its factorization.

20201002000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698996657 (or 698996633 counting only the distinct ones).

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

Adding to 20201002000100 its reverse (100020010202), we get a palindrome (20301022010302).

The spelling of 20201002000100 in words is "twenty trillion, two hundred one billion, two million, one hundred", and thus it is an aban number.