200402420240 has 40 divisors (see below), whose sum is σ = 508293413568. Its totient is φ = 72873607040.

The previous prime is 200402420213. The next prime is 200402420297. The reversal of 200402420240 is 42024204002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×200402420240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 113864132 + ... + 113865891.

Almost surely, 2^200402420240 is an apocalyptic number.

200402420240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200402420240 is an abundant number, since it is smaller than the sum of its proper divisors (307890993328).

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

200402420240 is a wasteful number, since it uses less digits than its factorization.

200402420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227730047 (or 227730041 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 200402420240 its reverse (42024204002), we get a palindrome (242426624242).

The spelling of 200402420240 in words is "two hundred billion, four hundred two million, four hundred twenty thousand, two hundred forty".