20130799 has 8 divisors (see below), whose sum is σ = 21807072. Its totient is φ = 18472800.

The previous prime is 20130797. The next prime is 20130829. The reversal of 20130799 is 99703102.

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 20130799 - 2¹ = 20130797 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 20130799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130791) 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, 2227 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (2725884).

Almost surely, 2^20130799 is an apocalyptic number.

20130799 is a deficient number, since it is larger than the sum of its proper divisors (1676273).

20130799 is a wasteful number, since it uses less digits than its factorization.

20130799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 20130799 is about 4486.7358959493. The cubic root of 20130799 is about 272.0322148623.

The spelling of 20130799 in words is "twenty million, one hundred thirty thousand, seven hundred ninety-nine".