20276923 has 2 divisors, whose sum is σ = 20276924. Its totient is φ = 20276922.

The previous prime is 20276917. The next prime is 20276969. The reversal of 20276923 is 32967202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20276923 is a prime.

It is a super-2 number, since 2×20276923² = 822307212695858, which contains 22 as substring.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (20276023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138461 + 10138462.

It is an arithmetic number, because the mean of its divisors is an integer number (10138462).

Almost surely, 2^20276923 is an apocalyptic number.

20276923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20276923 is an equidigital number, since it uses as much as digits as its factorization.

20276923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20276923 is about 4502.9904508004. The cubic root of 20276923 is about 272.6888313260.

The spelling of 20276923 in words is "twenty million, two hundred seventy-six thousand, nine hundred twenty-three".