1102285920 has 96 divisors (see below), whose sum is σ = 3490125408. Its totient is φ = 292425728.

The previous prime is 1102285909. The next prime is 1102285937. The reversal of 1102285920 is 295822011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88732 + ... + 100388.

It is an arithmetic number, because the mean of its divisors is an integer number (36355473).

Almost surely, 2^1102285920 is an apocalyptic number.

1102285920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102285920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745062704).

1102285920 is an abundant number, since it is smaller than the sum of its proper divisors (2387839488).

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

1102285920 is a wasteful number, since it uses less digits than its factorization.

1102285920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11872 (or 11864 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1102285920 is about 33200.6915590624. The cubic root of 1102285920 is about 1032.9946842648.

The spelling of 1102285920 in words is "one billion, one hundred two million, two hundred eighty-five thousand, nine hundred twenty".