20302699 has 2 divisors, whose sum is σ = 20302700. Its totient is φ = 20302698.

The previous prime is 20302693. The next prime is 20302729. The reversal of 20302699 is 99620302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20302699 - 2¹³ = 20294507 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20302699.

It is not a weakly prime, because it can be changed into another prime (20302693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151349 + 10151350.

It is an arithmetic number, because the mean of its divisors is an integer number (10151350).

Almost surely, 2^20302699 is an apocalyptic number.

20302699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302699 is an equidigital number, since it uses as much as digits as its factorization.

20302699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 20302699 is about 4505.8516398124. The cubic root of 20302699 is about 272.8043296369.

The spelling of 20302699 in words is "twenty million, three hundred two thousand, six hundred ninety-nine".