420901206 has 32 divisors (see below), whose sum is σ = 931274496. Its totient is φ = 125748000.

The previous prime is 420901183. The next prime is 420901207. The reversal of 420901206 is 602109024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420901207) 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, 40225 + ... + 49596.

It is an arithmetic number, because the mean of its divisors is an integer number (29102328).

Almost surely, 2^420901206 is an apocalyptic number.

420901206 is an abundant number, since it is smaller than the sum of its proper divisors (510373290).

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

420901206 is a wasteful number, since it uses less digits than its factorization.

420901206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89908.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 420901206 is about 20515.8769249574. The cubic root of 420901206 is about 749.4224923162.

The spelling of 420901206 in words is "four hundred twenty million, nine hundred one thousand, two hundred six".