20103748765573 has 12 divisors (see below), whose sum is σ = 22101642377920. Its totient is φ = 18272716636680.

The previous prime is 20103748765571. The next prime is 20103748765577. The reversal of 20103748765573 is 37556784730102.

It is not a de Polignac number, because 20103748765573 - 2¹ = 20103748765571 is a prime.

It is a super-3 number, since 3×20103748765573³ (a number of 41 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103748765571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14889453 + ... + 16183426.

Almost surely, 2^{20103748765573} is an apocalyptic number.

It is an amenable number.

20103748765573 is a deficient number, since it is larger than the sum of its proper divisors (1997893612347).

20103748765573 is a wasteful number, since it uses less digits than its factorization.

20103748765573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31078248 (or 31078237 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 58.

The spelling of 20103748765573 in words is "twenty trillion, one hundred three billion, seven hundred forty-eight million, seven hundred sixty-five thousand, five hundred seventy-three".