402020024404 has 24 divisors (see below), whose sum is σ = 729123123456. Its totient is φ = 193750800000.

The previous prime is 402020024401. The next prime is 402020024411. The reversal of 402020024404 is 404420020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402020024401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6427237 + ... + 6489484.

It is an arithmetic number, because the mean of its divisors is an integer number (30380130144).

Almost surely, 2^402020024404 is an apocalyptic number.

It is an amenable number.

402020024404 is a deficient number, since it is larger than the sum of its proper divisors (327103099052).

402020024404 is a wasteful number, since it uses less digits than its factorization.

402020024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12917007 (or 12917005 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 402020024404 its reverse (404420020204), we get a palindrome (806440044608).

The spelling of 402020024404 in words is "four hundred two billion, twenty million, twenty-four thousand, four hundred four".