202242620 has 12 divisors (see below), whose sum is σ = 424709544. Its totient is φ = 80897040.

The previous prime is 202242587. The next prime is 202242641. The reversal of 202242620 is 26242202.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10112131 = 202242620 / (2 + 0 + 2 + 2 + 4 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202242592 and 202242601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056046 + ... + 5056085.

It is an arithmetic number, because the mean of its divisors is an integer number (35392462).

Almost surely, 2^202242620 is an apocalyptic number.

202242620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202242620 is an abundant number, since it is smaller than the sum of its proper divisors (222466924).

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

202242620 is a wasteful number, since it uses less digits than its factorization.

202242620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112140 (or 10112138 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202242620 is about 14221.2031839785. The cubic root of 202242620 is about 586.9812484396.

Adding to 202242620 its reverse (26242202), we get a palindrome (228484822).

The spelling of 202242620 in words is "two hundred two million, two hundred forty-two thousand, six hundred twenty".