20492367 has 8 divisors (see below), whose sum is σ = 31226496. Its totient is φ = 11709912.

The previous prime is 20492321. The next prime is 20492371. The reversal of 20492367 is 76329402.

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

It is not a de Polignac number, because 20492367 - 2⁷ = 20492239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492377) 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, 487893 + ... + 487934.

It is an arithmetic number, because the mean of its divisors is an integer number (3903312).

Almost surely, 2^20492367 is an apocalyptic number.

20492367 is a deficient number, since it is larger than the sum of its proper divisors (10734129).

20492367 is an equidigital number, since it uses as much as digits as its factorization.

20492367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975837.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20492367 is about 4526.8495667517. The cubic root of 20492367 is about 273.6512114092.

The spelling of 20492367 in words is "twenty million, four hundred ninety-two thousand, three hundred sixty-seven".