20297379 has 8 divisors (see below), whose sum is σ = 27205632. Its totient is φ = 13460360.

The previous prime is 20297363. The next prime is 20297383. The reversal of 20297379 is 97379202.

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 20297379 - 2⁴ = 20297363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20297309) 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, 17139 + ... + 18284.

It is an arithmetic number, because the mean of its divisors is an integer number (3400704).

Almost surely, 2^20297379 is an apocalyptic number.

20297379 is a deficient number, since it is larger than the sum of its proper divisors (6908253).

20297379 is a wasteful number, since it uses less digits than its factorization.

20297379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35617.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 20297379 is about 4505.2612576853. The cubic root of 20297379 is about 272.7804995406.

The spelling of 20297379 in words is "twenty million, two hundred ninety-seven thousand, three hundred seventy-nine".