420113032505434 has 16 divisors (see below), whose sum is σ = 640191305287872. Its totient is φ = 206740953855648.

The previous prime is 420113032505423. The next prime is 420113032505473. The reversal of 420113032505434 is 434505230311024.

It is a junction number, because it is equal to n+sod(n) for n = 420113032505393 and 420113032505402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6255744499 + ... + 6255811654.

It is an arithmetic number, because the mean of its divisors is an integer number (40011956580492).

Almost surely, 2^{420113032505434} is an apocalyptic number.

420113032505434 is a deficient number, since it is larger than the sum of its proper divisors (220078272782438).

420113032505434 is a wasteful number, since it uses less digits than its factorization.

420113032505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511556421.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 420113032505434 its reverse (434505230311024), we get a palindrome (854618262816458).

The spelling of 420113032505434 in words is "four hundred twenty trillion, one hundred thirteen billion, thirty-two million, five hundred five thousand, four hundred thirty-four".