202430664 has 96 divisors (see below), whose sum is σ = 574741440. Its totient is φ = 66744000.

The previous prime is 202430647. The next prime is 202430671. The reversal of 202430664 is 466034202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195829 + ... + 196859.

It is an arithmetic number, because the mean of its divisors is an integer number (5986890).

Almost surely, 2^202430664 is an apocalyptic number.

202430664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202430664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287370720).

202430664 is an abundant number, since it is smaller than the sum of its proper divisors (372310776).

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

202430664 is a wasteful number, since it uses less digits than its factorization.

202430664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 202430664 is about 14227.8130434723. The cubic root of 202430664 is about 587.1631159904.

Adding to 202430664 its reverse (466034202), we get a palindrome (668464866).

The spelling of 202430664 in words is "two hundred two million, four hundred thirty thousand, six hundred sixty-four".