20248379 has 8 divisors (see below), whose sum is σ = 20540352. Its totient is φ = 19958400.

The previous prime is 20248337. The next prime is 20248381. The reversal of 20248379 is 97384202.

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 20248379 - 2¹⁶ = 20182843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20248079) 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, 43502 + ... + 43964.

It is an arithmetic number, because the mean of its divisors is an integer number (2567544).

Almost surely, 2^20248379 is an apocalyptic number.

20248379 is a deficient number, since it is larger than the sum of its proper divisors (291973).

20248379 is a wasteful number, since it uses less digits than its factorization.

20248379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20248379 is about 4499.8198852843. The cubic root of 20248379 is about 272.5608157617.

The spelling of 20248379 in words is "twenty million, two hundred forty-eight thousand, three hundred seventy-nine".