420203402234 has 32 divisors (see below), whose sum is σ = 785880531072. Its totient is φ = 163706112000.

The previous prime is 420203402231. The next prime is 420203402249. The reversal of 420203402234 is 432204302024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420203402231) 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, 2961554 + ... + 3100194.

It is an arithmetic number, because the mean of its divisors is an integer number (24558766596).

Almost surely, 2^420203402234 is an apocalyptic number.

420203402234 is a deficient number, since it is larger than the sum of its proper divisors (365677128838).

420203402234 is a wasteful number, since it uses less digits than its factorization.

420203402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158342.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 420203402234 its reverse (432204302024), we get a palindrome (852407704258).

The spelling of 420203402234 in words is "four hundred twenty billion, two hundred three million, four hundred two thousand, two hundred thirty-four".