1101712020 has 48 divisors (see below), whose sum is σ = 3086680128. Its totient is φ = 293610240.

The previous prime is 1101712019. The next prime is 1101712097. The reversal of 1101712020 is 202171011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114600 + ... + 123840.

It is an arithmetic number, because the mean of its divisors is an integer number (64305836).

Almost surely, 2^1101712020 is an apocalyptic number.

1101712020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101712020 is an abundant number, since it is smaller than the sum of its proper divisors (1984968108).

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

1101712020 is a wasteful number, since it uses less digits than its factorization.

1101712020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240 (or 11238 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 1101712020 is about 33192.0475415422. The cubic root of 1101712020 is about 1032.8153785288.

Adding to 1101712020 its reverse (202171011), we get a palindrome (1303883031).

The spelling of 1101712020 in words is "one billion, one hundred one million, seven hundred twelve thousand, twenty".