20274007 has 16 divisors (see below), whose sum is σ = 23296000. Its totient is φ = 17488224.

The previous prime is 20273989. The next prime is 20274011. The reversal of 20274007 is 70047202.

It is not a de Polignac number, because 20274007 - 2¹¹ = 20271959 is a prime.

It is a super-2 number, since 2×20274007² = 822070719672098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275007) 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, 18994 + ... + 20032.

It is an arithmetic number, because the mean of its divisors is an integer number (1456000).

Almost surely, 2^20274007 is an apocalyptic number.

20274007 is a deficient number, since it is larger than the sum of its proper divisors (3021993).

20274007 is a wasteful number, since it uses less digits than its factorization.

20274007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 20274007 is about 4502.6666543283. Note that the first 4 decimals coincide. The cubic root of 20274007 is about 272.6757590146.

The spelling of 20274007 in words is "twenty million, two hundred seventy-four thousand, seven".