202004244420 has 48 divisors (see below), whose sum is σ = 617031148608. Its totient is φ = 48970725760.

The previous prime is 202004244397. The next prime is 202004244443. The reversal of 202004244420 is 24442400202.

It is an interprime number because it is at equal distance from previous prime (202004244397) and next prime (202004244443).

It is a super-2 number, since 2×202004244420² (a number of 23 digits) contains 22 as substring.

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, 153032859 + ... + 153034178.

It is an arithmetic number, because the mean of its divisors is an integer number (12854815596).

Almost surely, 2^202004244420 is an apocalyptic number.

202004244420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202004244420 is an abundant number, since it is smaller than the sum of its proper divisors (415026904188).

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

202004244420 is a wasteful number, since it uses less digits than its factorization.

202004244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306067060 (or 306067058 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 202004244420 its reverse (24442400202), we get a palindrome (226446644622).

The spelling of 202004244420 in words is "two hundred two billion, four million, two hundred forty-four thousand, four hundred twenty".