202424420220 has 48 divisors (see below), whose sum is σ = 618314594688. Its totient is φ = 49072586560.

The previous prime is 202424420213. The next prime is 202424420239. The reversal of 202424420220 is 22024424202.

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, 153351174 + ... + 153352493.

It is an arithmetic number, because the mean of its divisors is an integer number (12881554056).

Almost surely, 2^202424420220 is an apocalyptic number.

202424420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202424420220 is an abundant number, since it is smaller than the sum of its proper divisors (415890174468).

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

202424420220 is a wasteful number, since it uses less digits than its factorization.

202424420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306703690 (or 306703688 counting only the distinct ones).

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

Adding to 202424420220 its reverse (22024424202), we get a palindrome (224448844422).

The spelling of 202424420220 in words is "two hundred two billion, four hundred twenty-four million, four hundred twenty thousand, two hundred twenty".