20140223297 has 2 divisors, whose sum is σ = 20140223298. Its totient is φ = 20140223296.

The previous prime is 20140223291. The next prime is 20140223329. The reversal of 20140223297 is 79232204102.

It is an a-pointer prime, because the next prime (20140223329) can be obtained adding 20140223297 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16221588496 + 3918634801 = 127364^2 + 62599^2 .

It is a cyclic number.

It is not a de Polignac number, because 20140223297 - 2¹⁶ = 20140157761 is a prime.

It is not a weakly prime, because it can be changed into another prime (20140223291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070111648 + 10070111649.

It is an arithmetic number, because the mean of its divisors is an integer number (10070111649).

Almost surely, 2^20140223297 is an apocalyptic number.

It is an amenable number.

20140223297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140223297 is an equidigital number, since it uses as much as digits as its factorization.

20140223297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 20140223297 its reverse (79232204102), we get a palindrome (99372427399).

The spelling of 20140223297 in words is "twenty billion, one hundred forty million, two hundred twenty-three thousand, two hundred ninety-seven".