20348000797 has 2 divisors, whose sum is σ = 20348000798. Its totient is φ = 20348000796.

The previous prime is 20348000767. The next prime is 20348000807. The reversal of 20348000797 is 79700084302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19619324761 + 728676036 = 140069^2 + 26994^2 .

It is a cyclic number.

It is not a de Polignac number, because 20348000797 - 2²⁷ = 20213783069 is a prime.

It is a super-2 number, since 2×20348000797² (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 (20348000737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174000398 + 10174000399.

It is an arithmetic number, because the mean of its divisors is an integer number (10174000399).

Almost surely, 2^20348000797 is an apocalyptic number.

It is an amenable number.

20348000797 is a deficient number, since it is larger than the sum of its proper divisors (1).

20348000797 is an equidigital number, since it uses as much as digits as its factorization.

20348000797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 20348000797 in words is "twenty billion, three hundred forty-eight million, seven hundred ninety-seven", and thus it is an aban number.