20182021110 has 48 divisors (see below), whose sum is σ = 53891459856. Its totient is φ = 5236415424.

The previous prime is 20182021051. The next prime is 20182021129. The reversal of 20182021110 is 1112028102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3027004 + ... + 3033663.

It is an arithmetic number, because the mean of its divisors is an integer number (1122738747).

Almost surely, 2^20182021110 is an apocalyptic number.

20182021110 is an abundant number, since it is smaller than the sum of its proper divisors (33709438746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20182021110 is a wasteful number, since it uses less digits than its factorization.

20182021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060717 (or 6060714 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20182021110 its reverse (1112028102), we get a palindrome (21294049212).

The spelling of 20182021110 in words is "twenty billion, one hundred eighty-two million, twenty-one thousand, one hundred ten".