420013204252 has 12 divisors (see below), whose sum is σ = 735041201776. Its totient is φ = 210001432320.

The previous prime is 420013204229. The next prime is 420013204253. The reversal of 420013204252 is 252402310024.

It is a super-2 number, since 2×420013204252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420013204253) 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, 1106688 + ... + 1436935.

Almost surely, 2^420013204252 is an apocalyptic number.

It is an amenable number.

420013204252 is a deficient number, since it is larger than the sum of its proper divisors (315027997524).

420013204252 is a wasteful number, since it uses less digits than its factorization.

420013204252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584908 (or 2584906 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 420013204252 its reverse (252402310024), we get a palindrome (672415514276).

The spelling of 420013204252 in words is "four hundred twenty billion, thirteen million, two hundred four thousand, two hundred fifty-two".