20761073071533 has 40 divisors (see below), whose sum is σ = 31125225981696. Its totient is φ = 13790852056800.

The previous prime is 20761073071517. The next prime is 20761073071537. The reversal of 20761073071533 is 33517037016702.

20761073071533 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 10 + 7 + 30 + 71 + 533 = 666.

It is not a de Polignac number, because 20761073071533 - 2⁴ = 20761073071517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20761073071537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128813388 + ... + 128974458.

Almost surely, 2^{20761073071533} is an apocalyptic number.

It is an amenable number.

20761073071533 is a deficient number, since it is larger than the sum of its proper divisors (10364152910163).

20761073071533 is a wasteful number, since it uses less digits than its factorization.

20761073071533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166807 (or 166798 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The spelling of 20761073071533 in words is "twenty trillion, seven hundred sixty-one billion, seventy-three million, seventy-one thousand, five hundred thirty-three".