20319537711607 has 2 divisors, whose sum is σ = 20319537711608. Its totient is φ = 20319537711606.

The previous prime is 20319537711511. The next prime is 20319537711619. The reversal of 20319537711607 is 70611773591302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20319537711607 - 2¹⁹ = 20319537187319 is a prime.

It is a super-2 number, since 2×20319537711607² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20319537711637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10159768855803 + 10159768855804.

It is an arithmetic number, because the mean of its divisors is an integer number (10159768855804).

Almost surely, 2^{20319537711607} is an apocalyptic number.

20319537711607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20319537711607 is an equidigital number, since it uses as much as digits as its factorization.

20319537711607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 20319537711607 in words is "twenty trillion, three hundred nineteen billion, five hundred thirty-seven million, seven hundred eleven thousand, six hundred seven".