20352473137037 has 2 divisors, whose sum is σ = 20352473137038. Its totient is φ = 20352473137036.

The previous prime is 20352473137001. The next prime is 20352473137069. The reversal of 20352473137037 is 73073137425302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17218673912521 + 3133799224516 = 4149539^2 + 1770254^2 .

It is a cyclic number.

It is not a de Polignac number, because 20352473137037 - 2²⁶ = 20352406028173 is a prime.

It is a super-2 number, since 2×20352473137037² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20352473136982 and 20352473137000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20352473137937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176236568518 + 10176236568519.

It is an arithmetic number, because the mean of its divisors is an integer number (10176236568519).

Almost surely, 2^{20352473137037} is an apocalyptic number.

It is an amenable number.

20352473137037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352473137037 is an equidigital number, since it uses as much as digits as its factorization.

20352473137037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 47.

The spelling of 20352473137037 in words is "twenty trillion, three hundred fifty-two billion, four hundred seventy-three million, one hundred thirty-seven thousand, thirty-seven".