20201021202200 has 48 divisors (see below), whose sum is σ = 48112920029160. Its totient is φ = 7883325344000.

The previous prime is 20201021202169. The next prime is 20201021202251. The reversal of 20201021202200 is 220212010202.

It is a super-2 number, since 2×20201021202200² (a number of 27 digits) contains 22 as substring.

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, 1231761386 + ... + 1231777785.

Almost surely, 2^{20201021202200} is an apocalyptic number.

20201021202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201021202200 is an abundant number, since it is smaller than the sum of its proper divisors (27911898826960).

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

20201021202200 is a wasteful number, since it uses less digits than its factorization.

20201021202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463539228 (or 2463539219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201021202200 its reverse (220212010202), we get a palindrome (20421233212402).

The spelling of 20201021202200 in words is "twenty trillion, two hundred one billion, twenty-one million, two hundred two thousand, two hundred".