20879373 has 8 divisors (see below), whose sum is σ = 28518336. Its totient is φ = 13580000.

The previous prime is 20879351. The next prime is 20879389. The reversal of 20879373 is 37397802.

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 20879373 - 2¹³ = 20871181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20879303) 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, 84753 + ... + 84998.

It is an arithmetic number, because the mean of its divisors is an integer number (3564792).

Almost surely, 2^20879373 is an apocalyptic number.

It is an amenable number.

20879373 is a deficient number, since it is larger than the sum of its proper divisors (7638963).

20879373 is a wasteful number, since it uses less digits than its factorization.

20879373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169795.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 20879373 is about 4569.3952553921. The cubic root of 20879373 is about 275.3631477869.

The spelling of 20879373 in words is "twenty million, eight hundred seventy-nine thousand, three hundred seventy-three".