420120421034 has 8 divisors (see below), whose sum is σ = 630207755940. Its totient is φ = 210051169056.

The previous prime is 420120420983. The next prime is 420120421043. The reversal of 420120421034 is 430124021024.

It can be written as a sum of positive squares in 2 ways, for example, as 347999707225 + 72120713809 = 589915^2 + 268553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4462499 + ... + 4555670.

Almost surely, 2^420120421034 is an apocalyptic number.

420120421034 is a deficient number, since it is larger than the sum of its proper divisors (210087334906).

420120421034 is a wasteful number, since it uses less digits than its factorization.

420120421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041464.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 420120421034 its reverse (430124021024), we get a palindrome (850244442058).

The spelling of 420120421034 in words is "four hundred twenty billion, one hundred twenty million, four hundred twenty-one thousand, thirty-four".