220093807 has 2 divisors, whose sum is σ = 220093808. Its totient is φ = 220093806.

The previous prime is 220093787. The next prime is 220093813. The reversal of 220093807 is 708390022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220093807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220093607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110046903 + 110046904.

It is an arithmetic number, because the mean of its divisors is an integer number (110046904).

Almost surely, 2^220093807 is an apocalyptic number.

220093807 is a deficient number, since it is larger than the sum of its proper divisors (1).

220093807 is an equidigital number, since it uses as much as digits as its factorization.

220093807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 220093807 is about 14835.5588704976. The cubic root of 220093807 is about 603.7668637760.

It can be divided in two parts, 220093 and 807, that added together give a square (220900 = 470²).

The spelling of 220093807 in words is "two hundred twenty million, ninety-three thousand, eight hundred seven".