20016169742 has 16 divisors (see below), whose sum is σ = 32375322000. Its totient is φ = 9250090560.

The previous prime is 20016169711. The next prime is 20016169829. The reversal of 20016169742 is 24796161002.

It is a super-2 number, since 2×20016169742² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 20016169696 and 20016169705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422117 + ... + 6425232.

It is an arithmetic number, because the mean of its divisors is an integer number (2023457625).

Almost surely, 2^20016169742 is an apocalyptic number.

20016169742 is a deficient number, since it is larger than the sum of its proper divisors (12359152258).

20016169742 is a wasteful number, since it uses less digits than its factorization.

20016169742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12847411.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 20016169742 in words is "twenty billion, sixteen million, one hundred sixty-nine thousand, seven hundred forty-two".