202120143300 has 54 divisors (see below), whose sum is σ = 633534363098. Its totient is φ = 53898704640.

The previous prime is 202120143283. The next prime is 202120143311. The reversal of 202120143300 is 3341021202.

202120143300 is a `hidden beast` number, since 20 + 212 + 0 + 1 + 433 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2611414404 + 199508728896 = 51102^2 + 446664^2 .

It is a super-2 number, since 2×202120143300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 112288069 + ... + 112289868.

Almost surely, 2^202120143300 is an apocalyptic number.

202120143300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120143300 is an abundant number, since it is smaller than the sum of its proper divisors (431414219798).

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

202120143300 is a wasteful number, since it uses less digits than its factorization.

202120143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224577957 (or 224577947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202120143300 its reverse (3341021202), we get a palindrome (205461164502).

The spelling of 202120143300 in words is "two hundred two billion, one hundred twenty million, one hundred forty-three thousand, three hundred".