20754586373 has 2 divisors, whose sum is σ = 20754586374. Its totient is φ = 20754586372.

The previous prime is 20754586319. The next prime is 20754586387. The reversal of 20754586373 is 37368545702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17857778689 + 2896807684 = 133633^2 + 53822^2 .

It is a cyclic number.

It is not a de Polignac number, because 20754586373 - 2⁸ = 20754586117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20754586313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10377293186 + 10377293187.

It is an arithmetic number, because the mean of its divisors is an integer number (10377293187).

Almost surely, 2^20754586373 is an apocalyptic number.

It is an amenable number.

20754586373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20754586373 is an equidigital number, since it uses as much as digits as its factorization.

20754586373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 20754586373 in words is "twenty billion, seven hundred fifty-four million, five hundred eighty-six thousand, three hundred seventy-three".