420206032 has 10 divisors (see below), whose sum is σ = 814149218. Its totient is φ = 210103008.

The previous prime is 420206029. The next prime is 420206047. The reversal of 420206032 is 230602024.

It can be written as a sum of positive squares in only one way, i.e., 244484496 + 175721536 = 15636^2 + 13256^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13131423 + ... + 13131454.

Almost surely, 2^420206032 is an apocalyptic number.

It is an amenable number.

420206032 is a deficient number, since it is larger than the sum of its proper divisors (393943186).

420206032 is a wasteful number, since it uses less digits than its factorization.

420206032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26262885 (or 26262879 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420206032 is about 20498.9275817053. The cubic root of 420206032 is about 749.0096748429.

Adding to 420206032 its reverse (230602024), we get a palindrome (650808056).

The spelling of 420206032 in words is "four hundred twenty million, two hundred six thousand, thirty-two".