202120224340 has 48 divisors (see below), whose sum is σ = 429179345280. Its totient is φ = 79949692800.

The previous prime is 202120224331. The next prime is 202120224353. The reversal of 202120224340 is 43422021202.

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, 1601671 + ... + 1723249.

It is an arithmetic number, because the mean of its divisors is an integer number (8941236360).

Almost surely, 2^202120224340 is an apocalyptic number.

202120224340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120224340 is an abundant number, since it is smaller than the sum of its proper divisors (227059120940).

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

202120224340 is a wasteful number, since it uses less digits than its factorization.

202120224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122512 (or 122510 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 202120224340 its reverse (43422021202), we get a palindrome (245542245542).

The spelling of 202120224340 in words is "two hundred two billion, one hundred twenty million, two hundred twenty-four thousand, three hundred forty".