1102020300 has 108 divisors (see below), whose sum is σ = 3573417120. Its totient is φ = 283731840.

The previous prime is 1102020289. The next prime is 1102020301. The reversal of 1102020300 is 30202011.

It is a happy number.

It is a super-2 number, since 2×1102020300² = 2428897483224180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1102020301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4989 + ... + 47211.

Almost surely, 2^1102020300 is an apocalyptic number.

1102020300 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 1102020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1786708560).

1102020300 is an abundant number, since it is smaller than the sum of its proper divisors (2471396820).

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

1102020300 is a wasteful number, since it uses less digits than its factorization.

1102020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42272 (or 42262 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1102020300 is about 33196.6911001684. The cubic root of 1102020300 is about 1032.9117033474.

Adding to 1102020300 its reverse (30202011), we get a palindrome (1132222311).

The spelling of 1102020300 in words is "one billion, one hundred two million, twenty thousand, three hundred".