1202020200 has 144 divisors (see below), whose sum is σ = 4097446080. Its totient is φ = 315722880.

The previous prime is 1202020187. The next prime is 1202020213. The reversal of 1202020200 is 20202021.

1202020200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1202020187) and next prime (1202020213).

It is a super-2 number, since 2×1202020200² = 2889705122416080000, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115617 + ... + 125583.

Almost surely, 2^1202020200 is an apocalyptic number.

1202020200 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 1202020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048723040).

1202020200 is an abundant number, since it is smaller than the sum of its proper divisors (2895425880).

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

1202020200 is a wasteful number, since it uses less digits than its factorization.

1202020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056 (or 10044 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1202020200 is about 34670.1629647165. The cubic root of 1202020200 is about 1063.2545634226.

Adding to 1202020200 its reverse (20202021), we get a palindrome (1222222221).

The spelling of 1202020200 in words is "one billion, two hundred two million, twenty thousand, two hundred".