20274827 has 2 divisors, whose sum is σ = 20274828. Its totient is φ = 20274826.

The previous prime is 20274811. The next prime is 20274833. The reversal of 20274827 is 72847202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20274827 - 2⁴ = 20274811 is a prime.

It is a super-2 number, since 2×20274827² = 822137219759858, which contains 22 as substring.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 20274793 and 20274802.

It is not a weakly prime, because it can be changed into another prime (20274847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137413 + 10137414.

It is an arithmetic number, because the mean of its divisors is an integer number (10137414).

Almost surely, 2^20274827 is an apocalyptic number.

20274827 is a deficient number, since it is larger than the sum of its proper divisors (1).

20274827 is an equidigital number, since it uses as much as digits as its factorization.

20274827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 20274827 is about 4502.7577105592. The cubic root of 20274827 is about 272.6794351685.

The spelling of 20274827 in words is "twenty million, two hundred seventy-four thousand, eight hundred twenty-seven".