420333245 has 16 divisors (see below), whose sum is σ = 535647168. Its totient is φ = 315552000.

The previous prime is 420333241. The next prime is 420333293. The reversal of 420333245 is 542333024.

It is not a de Polignac number, because 420333245 - 2² = 420333241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420333241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22370 + ... + 36620.

It is an arithmetic number, because the mean of its divisors is an integer number (33477948).

Almost surely, 2^420333245 is an apocalyptic number.

It is an amenable number.

420333245 is a deficient number, since it is larger than the sum of its proper divisors (115313923).

420333245 is a wasteful number, since it uses less digits than its factorization.

420333245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14620.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 420333245 is about 20502.0302653176. The cubic root of 420333245 is about 749.0852521762.

Adding to 420333245 its reverse (542333024), we get a palindrome (962666269).

The spelling of 420333245 in words is "four hundred twenty million, three hundred thirty-three thousand, two hundred forty-five".