420334030525 has 48 divisors (see below), whose sum is σ = 551932674048. Its totient is φ = 317032128000.

The previous prime is 420334030427. The next prime is 420334030531. The reversal of 420334030525 is 525030433024.

It is not a de Polignac number, because 420334030525 - 2²⁷ = 420199812797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23282052 + ... + 23300098.

It is an arithmetic number, because the mean of its divisors is an integer number (11498597376).

Almost surely, 2^420334030525 is an apocalyptic number.

It is an amenable number.

420334030525 is a deficient number, since it is larger than the sum of its proper divisors (131598643523).

420334030525 is a wasteful number, since it uses less digits than its factorization.

420334030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18862 (or 18857 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 420334030525 its reverse (525030433024), we get a palindrome (945364463549).

The spelling of 420334030525 in words is "four hundred twenty billion, three hundred thirty-four million, thirty thousand, five hundred twenty-five".