420550995 has 8 divisors (see below), whose sum is σ = 672881616. Its totient is φ = 224293856.

The previous prime is 420550987. The next prime is 420551023. The reversal of 420550995 is 599055024.

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 420550995 - 2³ = 420550987 is a prime.

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, 14018352 + ... + 14018381.

It is an arithmetic number, because the mean of its divisors is an integer number (84110202).

Almost surely, 2^420550995 is an apocalyptic number.

420550995 is a deficient number, since it is larger than the sum of its proper divisors (252330621).

420550995 is a wasteful number, since it uses less digits than its factorization.

420550995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28036741.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 420550995 is about 20507.3400274146. The cubic root of 420550995 is about 749.2145822234.

The spelling of 420550995 in words is "four hundred twenty million, five hundred fifty thousand, nine hundred ninety-five".