20201687035103 has 24 divisors (see below), whose sum is σ = 24443159330304. Its totient is φ = 16629242338800.

The previous prime is 20201687035073. The next prime is 20201687035111. The reversal of 20201687035103 is 30153078610202.

It is not a de Polignac number, because 20201687035103 - 2³⁴ = 20184507165919 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 (20201687035003) 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, 50561825 + ... + 50959802.

It is an arithmetic number, because the mean of its divisors is an integer number (1018464972096).

Almost surely, 2^{20201687035103} is an apocalyptic number.

20201687035103 is a deficient number, since it is larger than the sum of its proper divisors (4241472295201).

20201687035103 is a wasteful number, since it uses less digits than its factorization.

20201687035103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101521803 (or 101521796 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 20201687035103 in words is "twenty trillion, two hundred one billion, six hundred eighty-seven million, thirty-five thousand, one hundred three".