20273197 has 8 divisors (see below), whose sum is σ = 24532416. Its totient is φ = 16354752.

The previous prime is 20273191. The next prime is 20273203. The reversal of 20273197 is 79137202.

It is an interprime number because it is at equal distance from previous prime (20273191) and next prime (20273203).

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 20273197 - 2⁷ = 20273069 is a prime.

It is a super-2 number, since 2×20273197² = 822005033201618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273191) 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, 85063 + ... + 85300.

It is an arithmetic number, because the mean of its divisors is an integer number (3066552).

Almost surely, 2^20273197 is an apocalyptic number.

It is an amenable number.

20273197 is a deficient number, since it is larger than the sum of its proper divisors (4259219).

20273197 is a wasteful number, since it uses less digits than its factorization.

20273197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170387.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 20273197 is about 4502.5767067314. The cubic root of 20273197 is about 272.6721275946.

The spelling of 20273197 in words is "twenty million, two hundred seventy-three thousand, one hundred ninety-seven".