20112273 has 16 divisors (see below), whose sum is σ = 30758400. Its totient is φ = 12975120.

The previous prime is 20112269. The next prime is 20112277. The reversal of 20112273 is 37221102.

It is an interprime number because it is at equal distance from previous prime (20112269) and next prime (20112277).

It is not a de Polignac number, because 20112273 - 2² = 20112269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11178 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (1922400).

Almost surely, 2^20112273 is an apocalyptic number.

It is an amenable number.

20112273 is a deficient number, since it is larger than the sum of its proper divisors (10646127).

20112273 is a wasteful number, since it uses less digits than its factorization.

20112273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24069 (or 24063 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20112273 is about 4484.6708909350. The cubic root of 20112273 is about 271.9487405208.

Adding to 20112273 its reverse (37221102), we get a palindrome (57333375).

The spelling of 20112273 in words is "twenty million, one hundred twelve thousand, two hundred seventy-three".