420254106 has 8 divisors (see below), whose sum is σ = 840508224. Its totient is φ = 140084700.

The previous prime is 420254101. The next prime is 420254117. The reversal of 420254106 is 601452024.

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

420254106 is an admirable number.

It is a super-2 number, since 2×420254106² = 353227027219718472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420254101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35021170 + ... + 35021181.

It is an arithmetic number, because the mean of its divisors is an integer number (105063528).

Almost surely, 2^420254106 is an apocalyptic number.

420254106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420254106 is a wasteful number, since it uses less digits than its factorization.

420254106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70042356.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420254106 is about 20500.1001460968. The cubic root of 420254106 is about 749.0382374331.

The spelling of 420254106 in words is "four hundred twenty million, two hundred fifty-four thousand, one hundred six".