420955335 has 24 divisors (see below), whose sum is σ = 736748064. Its totient is φ = 222327360.

The previous prime is 420955331. The next prime is 420955351. The reversal of 420955335 is 533559024.

It is not a de Polignac number, because 420955335 - 2² = 420955331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420955335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420955331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40776 + ... + 50045.

It is an arithmetic number, because the mean of its divisors is an integer number (30697836).

Almost surely, 2^420955335 is an apocalyptic number.

420955335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420955335 is a deficient number, since it is larger than the sum of its proper divisors (315792729).

420955335 is a wasteful number, since it uses less digits than its factorization.

420955335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90935 (or 90932 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 420955335 is about 20517.1960803615. The cubic root of 420955335 is about 749.4546168391.

The spelling of 420955335 in words is "four hundred twenty million, nine hundred fifty-five thousand, three hundred thirty-five".