20843010707 has 2 divisors, whose sum is σ = 20843010708. Its totient is φ = 20843010706.

The previous prime is 20843010689. The next prime is 20843010731. The reversal of 20843010707 is 70701034802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20843010707 - 2⁸ = 20843010451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20843010767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10421505353 + 10421505354.

It is an arithmetic number, because the mean of its divisors is an integer number (10421505354).

Almost surely, 2^20843010707 is an apocalyptic number.

20843010707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20843010707 is an equidigital number, since it uses as much as digits as its factorization.

20843010707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 20843010707 in words is "twenty billion, eight hundred forty-three million, ten thousand, seven hundred seven".