20379099 has 8 divisors (see below), whose sum is σ = 29262352. Its totient is φ = 12540960.

The previous prime is 20379097. The next prime is 20379101. The reversal of 20379099 is 99097302.

It is an interprime number because it is at equal distance from previous prime (20379097) and next prime (20379101).

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

It is not a de Polignac number, because 20379099 - 2¹ = 20379097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 522541 = 20379099 / (2 + 0 + 3 + 7 + 9 + 0 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20379097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261232 + ... + 261309.

It is an arithmetic number, because the mean of its divisors is an integer number (3657794).

Almost surely, 2^20379099 is an apocalyptic number.

20379099 is a deficient number, since it is larger than the sum of its proper divisors (8883253).

20379099 is a wasteful number, since it uses less digits than its factorization.

20379099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522557.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 20379099 is about 4514.3215437095. The cubic root of 20379099 is about 273.1460930949.

The spelling of 20379099 in words is "twenty million, three hundred seventy-nine thousand, ninety-nine".