202021140 has 48 divisors (see below), whose sum is σ = 566612928. Its totient is φ = 53781504.

The previous prime is 202021139. The next prime is 202021151. The reversal of 202021140 is 41120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37879 + ... + 42881.

It is an arithmetic number, because the mean of its divisors is an integer number (11804436).

Almost surely, 2^202021140 is an apocalyptic number.

202021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021140 is an abundant number, since it is smaller than the sum of its proper divisors (364591788).

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

202021140 is a wasteful number, since it uses less digits than its factorization.

202021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202021140 is about 14213.4140866999. The cubic root of 202021140 is about 586.7668984794.

Adding to 202021140 its reverse (41120202), we get a palindrome (243141342).

The spelling of 202021140 in words is "two hundred two million, twenty-one thousand, one hundred forty".