420215203521430 has 32 divisors (see below), whose sum is σ = 762349199192064. Its totient is φ = 166761250590816.

The previous prime is 420215203521307. The next prime is 420215203521433. The reversal of 420215203521430 is 34125302512024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420215203521433) 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, 168028149 + ... + 170510671.

It is an arithmetic number, because the mean of its divisors is an integer number (23823412474752).

Almost surely, 2^{420215203521430} is an apocalyptic number.

420215203521430 is a deficient number, since it is larger than the sum of its proper divisors (342133995670634).

420215203521430 is a wasteful number, since it uses less digits than its factorization.

420215203521430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615940.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 420215203521430 in words is "four hundred twenty trillion, two hundred fifteen billion, two hundred three million, five hundred twenty-one thousand, four hundred thirty".