20097954337 has 2 divisors, whose sum is σ = 20097954338. Its totient is φ = 20097954336.

The previous prime is 20097954307. The next prime is 20097954391. The reversal of 20097954337 is 73345979002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17487153121 + 2610801216 = 132239^2 + 51096^2 .

It is a cyclic number.

It is not a de Polignac number, because 20097954337 - 2¹¹ = 20097952289 is a prime.

It is not a weakly prime, because it can be changed into another prime (20097954307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10048977168 + 10048977169.

It is an arithmetic number, because the mean of its divisors is an integer number (10048977169).

Almost surely, 2^20097954337 is an apocalyptic number.

It is an amenable number.

20097954337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20097954337 is an equidigital number, since it uses as much as digits as its factorization.

20097954337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 20097954337 in words is "twenty billion, ninety-seven million, nine hundred fifty-four thousand, three hundred thirty-seven".