1101920020 has 12 divisors (see below), whose sum is σ = 2314032084. Its totient is φ = 440768000.

The previous prime is 1101920011. The next prime is 1101920063. The reversal of 1101920020 is 200291011.

1101920020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 857435524 + 244484496 = 29282^2 + 15636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101919976 and 1101920003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27547981 + ... + 27548020.

It is an arithmetic number, because the mean of its divisors is an integer number (192836007).

Almost surely, 2^1101920020 is an apocalyptic number.

1101920020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101920020 is an abundant number, since it is smaller than the sum of its proper divisors (1212112064).

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

1101920020 is a wasteful number, since it uses less digits than its factorization.

1101920020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55096010 (or 55096008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1101920020 is about 33195.1806743087. The cubic root of 1101920020 is about 1032.8803719441.

The spelling of 1101920020 in words is "one billion, one hundred one million, nine hundred twenty thousand, twenty".