20473597 has 8 divisors (see below), whose sum is σ = 20734560. Its totient is φ = 20214480.

The previous prime is 20473589. The next prime is 20473601. The reversal of 20473597 is 79537402.

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 20473597 - 2³ = 20473589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473517) 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, 48654 + ... + 49072.

It is an arithmetic number, because the mean of its divisors is an integer number (2591820).

Almost surely, 2^20473597 is an apocalyptic number.

It is an amenable number.

20473597 is a deficient number, since it is larger than the sum of its proper divisors (260963).

20473597 is a wasteful number, since it uses less digits than its factorization.

20473597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 20473597 is about 4524.7759060532. The cubic root of 20473597 is about 273.5676355380.

The spelling of 20473597 in words is "twenty million, four hundred seventy-three thousand, five hundred ninety-seven".