201624402 has 48 divisors (see below), whose sum is σ = 469990080. Its totient is φ = 56486976.

The previous prime is 201624391. The next prime is 201624413. The reversal of 201624402 is 204426102.

It is an interprime number because it is at equal distance from previous prime (201624391) and next prime (201624413).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 117124 + ... + 118832.

It is an arithmetic number, because the mean of its divisors is an integer number (9791460).

Almost surely, 2^201624402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201624402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234995040).

201624402 is an abundant number, since it is smaller than the sum of its proper divisors (268365678).

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

201624402 is a wasteful number, since it uses less digits than its factorization.

201624402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 201624402 is about 14199.4507640261. The cubic root of 201624402 is about 586.3825405490.

The spelling of 201624402 in words is "two hundred one million, six hundred twenty-four thousand, four hundred two".