202000140 has 72 divisors (see below), whose sum is σ = 613970448. Its totient is φ = 53758080.

The previous prime is 202000093. The next prime is 202000147. The reversal of 202000140 is 41000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (202000147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131175 + ... + 132705.

Almost surely, 2^202000140 is an apocalyptic number.

202000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000140 is an abundant number, since it is smaller than the sum of its proper divisors (411970308).

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

202000140 is a wasteful number, since it uses less digits than its factorization.

202000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202000140 is about 14212.6753287339. The cubic root of 202000140 is about 586.7465663962.

Adding to 202000140 its reverse (41000202), we get a palindrome (243000342).

The spelling of 202000140 in words is "two hundred two million, one hundred forty", and thus it is an aban number.