420034430 has 16 divisors (see below), whose sum is σ = 756739584. Its totient is φ = 167863200.

The previous prime is 420034409. The next prime is 420034451. The reversal of 420034430 is 34430024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420034409) and next prime (420034451).

It is a congruent number.

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, 6737 + ... + 29756.

It is an arithmetic number, because the mean of its divisors is an integer number (47296224).

Almost surely, 2^420034430 is an apocalyptic number.

420034430 is a deficient number, since it is larger than the sum of its proper divisors (336705154).

420034430 is a wasteful number, since it uses less digits than its factorization.

420034430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37651.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420034430 is about 20494.7415206926. The cubic root of 420034430 is about 748.9077018037.

Adding to 420034430 its reverse (34430024), we get a palindrome (454464454).

The spelling of 420034430 in words is "four hundred twenty million, thirty-four thousand, four hundred thirty".