420125513253420 has 48 divisors (see below), whose sum is σ = 1266840009197280. Its totient is φ = 103415510954496.

The previous prime is 420125513253403. The next prime is 420125513253421. The reversal of 420125513253420 is 24352315521024.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (420125513253421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269311225665 + ... + 269311227224.

It is an arithmetic number, because the mean of its divisors is an integer number (26392500191610).

Almost surely, 2^{420125513253420} is an apocalyptic number.

It is an amenable number.

420125513253420 is an abundant number, since it is smaller than the sum of its proper divisors (846714495943860).

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

420125513253420 is a wasteful number, since it uses less digits than its factorization.

420125513253420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538622452914 (or 538622452912 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 420125513253420 its reverse (24352315521024), we get a palindrome (444477828774444).

The spelling of 420125513253420 in words is "four hundred twenty trillion, one hundred twenty-five billion, five hundred thirteen million, two hundred fifty-three thousand, four hundred twenty".