20273516 has 12 divisors (see below), whose sum is σ = 36344280. Its totient is φ = 9889440.

The previous prime is 20273501. The next prime is 20273527. The reversal of 20273516 is 61537202.

It is a super-2 number, since 2×20273516² = 822030902004512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61646 + ... + 61973.

It is an arithmetic number, because the mean of its divisors is an integer number (3028690).

Almost surely, 2^20273516 is an apocalyptic number.

It is an amenable number.

20273516 is a deficient number, since it is larger than the sum of its proper divisors (16070764).

20273516 is a wasteful number, since it uses less digits than its factorization.

20273516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123664 (or 123662 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 20273516 is about 4502.6121307525. The cubic root of 20273516 is about 272.6735577580.

The spelling of 20273516 in words is "twenty million, two hundred seventy-three thousand, five hundred sixteen".