420211051 has 8 divisors (see below), whose sum is σ = 452867184. Its totient is φ = 387602400.

The previous prime is 420211027. The next prime is 420211061. The reversal of 420211051 is 150112024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420211051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420211021) 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, 7725 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (56608398).

Almost surely, 2^420211051 is an apocalyptic number.

420211051 is a deficient number, since it is larger than the sum of its proper divisors (32656133).

420211051 is a wasteful number, since it uses less digits than its factorization.

420211051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23741.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 420211051 is about 20499.0500023782. The cubic root of 420211051 is about 749.0126569234.

Adding to 420211051 its reverse (150112024), we get a palindrome (570323075).

The spelling of 420211051 in words is "four hundred twenty million, two hundred eleven thousand, fifty-one".