20352183373 has 2 divisors, whose sum is σ = 20352183374. Its totient is φ = 20352183372.

The previous prime is 20352183349. The next prime is 20352183391. The reversal of 20352183373 is 37338125302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19926710244 + 425473129 = 141162^2 + 20627^2 .

It is a cyclic number.

It is not a de Polignac number, because 20352183373 - 2³³ = 11762248781 is a prime.

It is a super-2 number, since 2×20352183373² (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 (20352183323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176091686 + 10176091687.

It is an arithmetic number, because the mean of its divisors is an integer number (10176091687).

Almost surely, 2^20352183373 is an apocalyptic number.

It is an amenable number.

20352183373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352183373 is an equidigital number, since it uses as much as digits as its factorization.

20352183373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 20352183373 in words is "twenty billion, three hundred fifty-two million, one hundred eighty-three thousand, three hundred seventy-three".