420400214 has 8 divisors (see below), whose sum is σ = 679108080. Its totient is φ = 194030856.

The previous prime is 420400199. The next prime is 420400223. The reversal of 420400214 is 412004024.

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

It is a junction number, because it is equal to n+sod(n) for n = 420400192 and 420400201.

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, 8084594 + ... + 8084645.

It is an arithmetic number, because the mean of its divisors is an integer number (84888510).

Almost surely, 2^420400214 is an apocalyptic number.

420400214 is a deficient number, since it is larger than the sum of its proper divisors (258707866).

420400214 is a wasteful number, since it uses less digits than its factorization.

420400214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16169254.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420400214 is about 20503.6634287632. The cubic root of 420400214 is about 749.1250323799.

Adding to 420400214 its reverse (412004024), we get a palindrome (832404238).

The spelling of 420400214 in words is "four hundred twenty million, four hundred thousand, two hundred fourteen".