204002102430 has 48 divisors (see below), whose sum is σ = 606177677664. Its totient is φ = 46629051840.

The previous prime is 204002102429. The next prime is 204002102431. The reversal of 204002102430 is 34201200402.

204002102430 is a `hidden beast` number, since 2 + 0 + 400 + 21 + 0 + 243 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (204002102429) and next prime (204002102431).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002102431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161905801 + ... + 161907060.

It is an arithmetic number, because the mean of its divisors is an integer number (12628701618).

Almost surely, 2^204002102430 is an apocalyptic number.

204002102430 is an abundant number, since it is smaller than the sum of its proper divisors (402175575234).

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

204002102430 is a wasteful number, since it uses less digits than its factorization.

204002102430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323812881 (or 323812878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 204002102430 its reverse (34201200402), we get a palindrome (238203302832).

It can be divided in two parts, 20400 and 2102430, that added together give a triangular number (2122830 = T₂₀₆₀).

The spelling of 204002102430 in words is "two hundred four billion, two million, one hundred two thousand, four hundred thirty".