20374763 has 2 divisors, whose sum is σ = 20374764. Its totient is φ = 20374762.

The previous prime is 20374723. The next prime is 20374769. The reversal of 20374763 is 36747302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20374763 - 2⁶ = 20374699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20374769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187381 + 10187382.

It is an arithmetic number, because the mean of its divisors is an integer number (10187382).

Almost surely, 2^20374763 is an apocalyptic number.

20374763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20374763 is an equidigital number, since it uses as much as digits as its factorization.

20374763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 20374763 is about 4513.8412688086. The cubic root of 20374763 is about 273.1267195615.

The spelling of 20374763 in words is "twenty million, three hundred seventy-four thousand, seven hundred sixty-three".