20872607 has 8 divisors (see below), whose sum is σ = 24259200. Its totient is φ = 17587224.

The previous prime is 20872603. The next prime is 20872613. The reversal of 20872607 is 70627802.

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

It is a cyclic number.

It is not a de Polignac number, because 20872607 - 2² = 20872603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20872601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24857 + ... + 25682.

It is an arithmetic number, because the mean of its divisors is an integer number (3032400).

Almost surely, 2^20872607 is an apocalyptic number.

20872607 is a deficient number, since it is larger than the sum of its proper divisors (3386593).

20872607 is an equidigital number, since it uses as much as digits as its factorization.

20872607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 20872607 is about 4568.6548348502. The cubic root of 20872607 is about 275.3334005919. Note that the first 3 decimals are identical.

The spelling of 20872607 in words is "twenty million, eight hundred seventy-two thousand, six hundred seven".