202221024140 has 48 divisors (see below), whose sum is σ = 430531960320. Its totient is φ = 79778312640.

The previous prime is 202221024139. The next prime is 202221024179. The reversal of 202221024140 is 41420122202.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 190301 + ... + 663819.

It is an arithmetic number, because the mean of its divisors is an integer number (8969415840).

Almost surely, 2^202221024140 is an apocalyptic number.

202221024140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221024140 is an abundant number, since it is smaller than the sum of its proper divisors (228310936180).

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

202221024140 is a wasteful number, since it uses less digits than its factorization.

202221024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473822 (or 473820 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202221024140 its reverse (41420122202), we get a palindrome (243641146342).

The spelling of 202221024140 in words is "two hundred two billion, two hundred twenty-one million, twenty-four thousand, one hundred forty".