420251214 has 8 divisors (see below), whose sum is σ = 840502440. Its totient is φ = 140083736.

The previous prime is 420251207. The next prime is 420251231. The reversal of 420251214 is 412152024.

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

420251214 is an admirable number.

It is a super-2 number, since 2×420251214² = 353222165736947592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35020929 + ... + 35020940.

It is an arithmetic number, because the mean of its divisors is an integer number (105062805).

Almost surely, 2^420251214 is an apocalyptic number.

420251214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420251214 is a wasteful number, since it uses less digits than its factorization.

420251214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70041874.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 420251214 is about 20500.0296097347. The cubic root of 420251214 is about 749.0365192476.

The spelling of 420251214 in words is "four hundred twenty million, two hundred fifty-one thousand, two hundred fourteen".