420420485 has 8 divisors (see below), whose sum is σ = 504873600. Its totient is φ = 336090384.

The previous prime is 420420461. The next prime is 420420487. The reversal of 420420485 is 584024024.

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

It is a cyclic number.

It is not a de Polignac number, because 420420485 - 2¹⁸ = 420158341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23057 + ... + 37046.

It is an arithmetic number, because the mean of its divisors is an integer number (63109200).

Almost surely, 2^420420485 is an apocalyptic number.

It is an amenable number.

420420485 is a deficient number, since it is larger than the sum of its proper divisors (84453115).

420420485 is a wasteful number, since it uses less digits than its factorization.

420420485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61507.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 420420485 is about 20504.1577491005. The cubic root of 420420485 is about 749.1370727080.

The spelling of 420420485 in words is "four hundred twenty million, four hundred twenty thousand, four hundred eighty-five".