420033230402 has 4 divisors (see below), whose sum is σ = 630049845606. Its totient is φ = 210016615200.

The previous prime is 420033230399. The next prime is 420033230447. The reversal of 420033230402 is 204032330024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 419203156681 + 830073721 = 647459^2 + 28811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105008307599 + ... + 105008307602.

Almost surely, 2^420033230402 is an apocalyptic number.

420033230402 is a deficient number, since it is larger than the sum of its proper divisors (210016615204).

420033230402 is a wasteful number, since it uses less digits than its factorization.

420033230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210016615203.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 420033230402 its reverse (204032330024), we get a palindrome (624065560426).

The spelling of 420033230402 in words is "four hundred twenty billion, thirty-three million, two hundred thirty thousand, four hundred two".