246642220 has 24 divisors (see below), whose sum is σ = 565035408. Its totient is φ = 89688000.

The previous prime is 246642199. The next prime is 246642241. The reversal of 246642220 is 22246642.

246642220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (246642199) and next prime (246642241).

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, 560331 + ... + 560770.

It is an arithmetic number, because the mean of its divisors is an integer number (23543142).

Almost surely, 2^246642220 is an apocalyptic number.

246642220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246642220 is an abundant number, since it is smaller than the sum of its proper divisors (318393188).

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

246642220 is a wasteful number, since it uses less digits than its factorization.

246642220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121121 (or 1121119 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 246642220 is about 15704.8470224960. The cubic root of 246642220 is about 627.1274445509.

Adding to 246642220 its reverse (22246642), we get a palindrome (268888862).

The spelling of 246642220 in words is "two hundred forty-six million, six hundred forty-two thousand, two hundred twenty".