20379107 has 8 divisors (see below), whose sum is σ = 24660576. Its totient is φ = 16440192.

The previous prime is 20379103. The next prime is 20379109. The reversal of 20379107 is 70197302.

It is a happy number.

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 20379107 - 2² = 20379103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20379107.

It is not an unprimeable number, because it can be changed into a prime (20379101) 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, 85508 + ... + 85745.

It is an arithmetic number, because the mean of its divisors is an integer number (3082572).

Almost surely, 2^20379107 is an apocalyptic number.

20379107 is a deficient number, since it is larger than the sum of its proper divisors (4281469).

20379107 is a wasteful number, since it uses less digits than its factorization.

20379107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171277.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 20379107 is about 4514.3224297784. The cubic root of 20379107 is about 273.1461288369.

The spelling of 20379107 in words is "twenty million, three hundred seventy-nine thousand, one hundred seven".