20043653066037 has 24 divisors (see below), whose sum is σ = 29997010756440. Its totient is φ = 12881534238720.

The previous prime is 20043653066011. The next prime is 20043653066077. The reversal of 20043653066037 is 73066035634002.

20043653066037 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 3 + 6 + 5 + 30 + 6 + 603 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3062339002116 + 16981314063921 = 1749954^2 + 4120839^2 .

It is not a de Polignac number, because 20043653066037 - 2¹⁵ = 20043653033269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20043653065983 and 20043653066001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043653066077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59735668 + ... + 60070269.

It is an arithmetic number, because the mean of its divisors is an integer number (1249875448185).

Almost surely, 2^{20043653066037} is an apocalyptic number.

It is an amenable number.

20043653066037 is a deficient number, since it is larger than the sum of its proper divisors (9953357690403).

20043653066037 is a wasteful number, since it uses less digits than its factorization.

20043653066037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119806613 (or 119806610 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 45.

The spelling of 20043653066037 in words is "twenty trillion, forty-three billion, six hundred fifty-three million, sixty-six thousand, thirty-seven".