10220807 has 2 divisors, whose sum is σ = 10220808. Its totient is φ = 10220806.

The previous prime is 10220797. The next prime is 10220827. The reversal of 10220807 is 70802201.

It is an a-pointer prime, because the next prime (10220827) can be obtained adding 10220807 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110403 + 5110404.

It is an arithmetic number, because the mean of its divisors is an integer number (5110404).

Almost surely, 2^10220807 is an apocalyptic number.

10220807 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220807 is an equidigital number, since it uses as much as digits as its factorization.

10220807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10220807 is about 3196.9996872067. Note that the first 3 decimals coincide. The cubic root of 10220807 is about 217.0176530763.

The spelling of 10220807 in words is "ten million, two hundred twenty thousand, eight hundred seven".