420522025430 has 32 divisors (see below), whose sum is σ = 816724538784. Its totient is φ = 154972763136.

The previous prime is 420522025421. The next prime is 420522025481. The reversal of 420522025430 is 34520225024.

It is a junction number, because it is equal to n+sod(n) for n = 420522025393 and 420522025402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3024539 + ... + 3160518.

It is an arithmetic number, because the mean of its divisors is an integer number (25522641837).

Almost surely, 2^420522025430 is an apocalyptic number.

420522025430 is a deficient number, since it is larger than the sum of its proper divisors (396202513354).

420522025430 is a wasteful number, since it uses less digits than its factorization.

420522025430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185600.

The product of its (nonzero) digits is 19200, while the sum is 29.

The spelling of 420522025430 in words is "four hundred twenty billion, five hundred twenty-two million, twenty-five thousand, four hundred thirty".