20020210101200 has 60 divisors (see below), whose sum is σ = 48102630921708. Its totient is φ = 8007405388800.

The previous prime is 20020210101181. The next prime is 20020210101233. The reversal of 20020210101200 is 210101202002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 712376512576 + 19307833588624 = 844024^2 + 4394068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2618330 + ... + 6848070.

Almost surely, 2^{20020210101200} is an apocalyptic number.

20020210101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020210101200 is an abundant number, since it is smaller than the sum of its proper divisors (28082420820508).

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

20020210101200 is a wasteful number, since it uses less digits than its factorization.

20020210101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241592 (or 4241581 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020210101200 its reverse (210101202002), we get a palindrome (20230311303202).

The spelling of 20020210101200 in words is "twenty trillion, twenty billion, two hundred ten million, one hundred one thousand, two hundred".