20274938 has 16 divisors (see below), whose sum is σ = 32620320. Its totient is φ = 9421776.

The previous prime is 20274913. The next prime is 20274941. The reversal of 20274938 is 83947202.

It is a super-2 number, since 2×20274938² = 822146221807688, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20274898 and 20274907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (2038770).

Almost surely, 2^20274938 is an apocalyptic number.

20274938 is a deficient number, since it is larger than the sum of its proper divisors (12345382).

20274938 is a wasteful number, since it uses less digits than its factorization.

20274938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20274938 is about 4502.7700363221. The cubic root of 20274938 is about 272.6799327866.

It can be divided in two parts, 20274 and 938, that added together give a palindrome (21212).

The spelling of 20274938 in words is "twenty million, two hundred seventy-four thousand, nine hundred thirty-eight".