20348807 has 8 divisors (see below), whose sum is σ = 21397440. Its totient is φ = 19323360.

The previous prime is 20348759. The next prime is 20348819. The reversal of 20348807 is 70884302.

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 20348807 - 2⁶ = 20348743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20348837) 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, 3983 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (2674680).

Almost surely, 2^20348807 is an apocalyptic number.

20348807 is a deficient number, since it is larger than the sum of its proper divisors (1048633).

20348807 is a wasteful number, since it uses less digits than its factorization.

20348807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11593.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20348807 is about 4510.9651960528. The cubic root of 20348807 is about 273.0106889328.

The spelling of 20348807 in words is "twenty million, three hundred forty-eight thousand, eight hundred seven".