200401002 has 48 divisors (see below), whose sum is σ = 440556480. Its totient is φ = 65831616.

The previous prime is 200400973. The next prime is 200401013. The reversal of 200401002 is 200104002.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 489774 + ... + 490182.

It is an arithmetic number, because the mean of its divisors is an integer number (9178260).

Almost surely, 2^200401002 is an apocalyptic number.

200401002 is an abundant number, since it is smaller than the sum of its proper divisors (240155478).

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

200401002 is a wasteful number, since it uses less digits than its factorization.

200401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200401002 is about 14156.3060859816. The cubic root of 200401002 is about 585.1941323704.

Adding to 200401002 its reverse (200104002), we get a palindrome (400505004).

The spelling of 200401002 in words is "two hundred million, four hundred one thousand, two".