420655035 has 16 divisors (see below), whose sum is σ = 691239456. Its totient is φ = 218285568.

The previous prime is 420655031. The next prime is 420655051. The reversal of 420655035 is 530556024.

It is not a de Polignac number, because 420655035 - 2² = 420655031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420654993 and 420655011.

It is not an unprimeable number, because it can be changed into a prime (420655031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378414 + ... + 379523.

It is an arithmetic number, because the mean of its divisors is an integer number (43202466).

Almost surely, 2^420655035 is an apocalyptic number.

420655035 is a deficient number, since it is larger than the sum of its proper divisors (270584421).

420655035 is a wasteful number, since it uses less digits than its factorization.

420655035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757982.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 420655035 is about 20509.8765232753. The cubic root of 420655035 is about 749.2763597955.

The spelling of 420655035 in words is "four hundred twenty million, six hundred fifty-five thousand, thirty-five".