920442503 has 2 divisors, whose sum is σ = 920442504. Its totient is φ = 920442502.

The previous prime is 920442493. The next prime is 920442511. The reversal of 920442503 is 305244029.

It is a strong prime.

It is an emirp because it is prime and its reverse (305244029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920442503 - 2⁸ = 920442247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920442553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460221251 + 460221252.

It is an arithmetic number, because the mean of its divisors is an integer number (460221252).

Almost surely, 2^920442503 is an apocalyptic number.

920442503 is a deficient number, since it is larger than the sum of its proper divisors (1).

920442503 is an equidigital number, since it uses as much as digits as its factorization.

920442503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 920442503 is about 30338.7953452341. The cubic root of 920442503 is about 972.7447336432.

The spelling of 920442503 in words is "nine hundred twenty million, four hundred forty-two thousand, five hundred three".