20020201212100 has 72 divisors (see below), whose sum is σ = 44571455334560. Its totient is φ = 7801207303680.

The previous prime is 20020201212097. The next prime is 20020201212133. The reversal of 20020201212100 is 121210202002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4512597 + ... + 7771996.

Almost surely, 2^{20020201212100} is an apocalyptic number.

20020201212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020201212100 is an abundant number, since it is smaller than the sum of its proper divisors (24551254122460).

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

20020201212100 is a wasteful number, since it uses less digits than its factorization.

20020201212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285029 (or 12285022 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020201212100 its reverse (121210202002), we get a palindrome (20141411414102).

The spelling of 20020201212100 in words is "twenty trillion, twenty billion, two hundred one million, two hundred twelve thousand, one hundred".