220202420 has 24 divisors (see below), whose sum is σ = 462871584. Its totient is φ = 87995936.

The previous prime is 220202413. The next prime is 220202443. The reversal of 220202420 is 24202022.

It is a junction number, because it is equal to n+sod(n) for n = 220202395 and 220202404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18527 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (19286316).

Almost surely, 2^220202420 is an apocalyptic number.

220202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220202420 is an abundant number, since it is smaller than the sum of its proper divisors (242669164).

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

220202420 is a wasteful number, since it uses less digits than its factorization.

220202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639 (or 10637 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 220202420 is about 14839.2189821432. The cubic root of 220202420 is about 603.8661640807.

Adding to 220202420 its reverse (24202022), we get a palindrome (244404442).

The spelling of 220202420 in words is "two hundred twenty million, two hundred two thousand, four hundred twenty".