202145120 has 48 divisors (see below), whose sum is σ = 487747008. Its totient is φ = 79134720.

The previous prime is 202145101. The next prime is 202145131. The reversal of 202145120 is 21541202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (10161396).

Almost surely, 2^202145120 is an apocalyptic number.

202145120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202145120 is an abundant number, since it is smaller than the sum of its proper divisors (285601888).

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

202145120 is a wasteful number, since it uses less digits than its factorization.

202145120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26943 (or 26935 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 202145120 is about 14217.7747907329. The cubic root of 202145120 is about 586.8869065200.

Adding to 202145120 its reverse (21541202), we get a palindrome (223686322).

The spelling of 202145120 in words is "two hundred two million, one hundred forty-five thousand, one hundred twenty".