20013732101001 has 16 divisors (see below), whose sum is σ = 26958921660864. Its totient is φ = 13205742649344.

The previous prime is 20013732100949. The next prime is 20013732101023. The reversal of 20013732101001 is 10010123731002.

It is a happy number.

It is not a de Polignac number, because 20013732101001 - 2⁴¹ = 17814708845449 is a prime.

It is a super-2 number, since 2×20013732101001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013732101081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28065400 + ... + 28769673.

It is an arithmetic number, because the mean of its divisors is an integer number (1684932603804).

Almost surely, 2^{20013732101001} is an apocalyptic number.

It is an amenable number.

20013732101001 is a deficient number, since it is larger than the sum of its proper divisors (6945189559863).

20013732101001 is a wasteful number, since it uses less digits than its factorization.

20013732101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56836280.

The product of its (nonzero) digits is 252, while the sum is 21.

Adding to 20013732101001 its reverse (10010123731002), we get a palindrome (30023855832003).

The spelling of 20013732101001 in words is "twenty trillion, thirteen billion, seven hundred thirty-two million, one hundred one thousand, one".