420024867 has 4 divisors (see below), whose sum is σ = 560033160. Its totient is φ = 280016576.

The previous prime is 420024863. The next prime is 420024881. The reversal of 420024867 is 768420024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420024867 - 2² = 420024863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420024863) 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, 70004142 + ... + 70004147.

It is an arithmetic number, because the mean of its divisors is an integer number (140008290).

Almost surely, 2^420024867 is an apocalyptic number.

420024867 is a deficient number, since it is larger than the sum of its proper divisors (140008293).

420024867 is a wasteful number, since it uses less digits than its factorization.

420024867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140008292.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 420024867 is about 20494.5082156172. The cubic root of 420024867 is about 748.9020182547.

The spelling of 420024867 in words is "four hundred twenty million, twenty-four thousand, eight hundred sixty-seven".