420040400204 has 12 divisors (see below), whose sum is σ = 735086691024. Its totient is φ = 210015631344.

The previous prime is 420040400201. The next prime is 420040400207. The reversal of 420040400204 is 402004040024.

It is an interprime number because it is at equal distance from previous prime (420040400201) and next prime (420040400207).

It is not an unprimeable number, because it can be changed into a prime (420040400201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930992 + ... + 1306455.

It is an arithmetic number, because the mean of its divisors is an integer number (61257224252).

Almost surely, 2^420040400204 is an apocalyptic number.

It is an amenable number.

420040400204 is a deficient number, since it is larger than the sum of its proper divisors (315046290820).

420040400204 is a wasteful number, since it uses less digits than its factorization.

420040400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284384 (or 2284382 counting only the distinct ones).

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

Adding to 420040400204 its reverse (402004040024), we get a palindrome (822044440228).

It can be divided in two parts, 42004040020 and 4, that added together give a palindrome (42004040024).

The spelling of 420040400204 in words is "four hundred twenty billion, forty million, four hundred thousand, two hundred four".