20020801319 has 2 divisors, whose sum is σ = 20020801320. Its totient is φ = 20020801318.

The previous prime is 20020801309. The next prime is 20020801379. The reversal of 20020801319 is 91310802002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020801319 is a prime.

It is a super-2 number, since 2×20020801319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020801309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010400659 + 10010400660.

It is an arithmetic number, because the mean of its divisors is an integer number (10010400660).

Almost surely, 2^20020801319 is an apocalyptic number.

20020801319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020801319 is an equidigital number, since it uses as much as digits as its factorization.

20020801319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20020801319 in words is "twenty billion, twenty million, eight hundred one thousand, three hundred nineteen".