20201829111 has 16 divisors (see below), whose sum is σ = 30493329120. Its totient is φ = 13213774080.

The previous prime is 20201829091. The next prime is 20201829119. The reversal of 20201829111 is 11192810202.

It is not a de Polignac number, because 20201829111 - 2⁹ = 20201828599 is a prime.

It is a super-2 number, since 2×20201829111² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201829119) 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, 7057210 + ... + 7060071.

It is an arithmetic number, because the mean of its divisors is an integer number (1905833070).

Almost surely, 2^20201829111 is an apocalyptic number.

20201829111 is a deficient number, since it is larger than the sum of its proper divisors (10291500009).

20201829111 is a wasteful number, since it uses less digits than its factorization.

20201829111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14117343 (or 14117337 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 20201829111 in words is "twenty billion, two hundred one million, eight hundred twenty-nine thousand, one hundred eleven".