20273043 has 16 divisors (see below), whose sum is σ = 31242240. Its totient is φ = 11453376.

The previous prime is 20273041. The next prime is 20273047. The reversal of 20273043 is 34037202.

It is a happy number.

It is not a de Polignac number, because 20273043 - 2¹ = 20273041 is a prime.

It is a super-4 number, since 4×20273043⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20273041) 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, 3555 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (1952640).

Almost surely, 2^20273043 is an apocalyptic number.

20273043 is a deficient number, since it is larger than the sum of its proper divisors (10969197).

20273043 is a wasteful number, since it uses less digits than its factorization.

20273043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20273043 is about 4502.5596053800. The cubic root of 20273043 is about 272.6714371655.

The spelling of 20273043 in words is "twenty million, two hundred seventy-three thousand, forty-three".