20230641552437 has 24 divisors (see below), whose sum is σ = 21442909816152. Its totient is φ = 19083796992000.

The previous prime is 20230641552419. The next prime is 20230641552467. The reversal of 20230641552437 is 73425514603202.

It can be written as a sum of positive squares in 4 ways, for example, as 1390102308676 + 18840539243761 = 1179026^2 + 4340569^2 .

It is not a de Polignac number, because 20230641552437 - 2²⁰ = 20230640503861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230641552467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099422437 + ... + 1099440837.

It is an arithmetic number, because the mean of its divisors is an integer number (893454575673).

Almost surely, 2^{20230641552437} is an apocalyptic number.

It is an amenable number.

20230641552437 is a deficient number, since it is larger than the sum of its proper divisors (1212268263715).

20230641552437 is a wasteful number, since it uses less digits than its factorization.

20230641552437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31317 (or 31298 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 20230641552437 in words is "twenty trillion, two hundred thirty billion, six hundred forty-one million, five hundred fifty-two thousand, four hundred thirty-seven".