2032220400 has 120 divisors (see below), whose sum is σ = 7439892864. Its totient is φ = 464505600.

The previous prime is 2032220347. The next prime is 2032220431. The reversal of 2032220400 is 40222302.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2032220400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112566 + ... + 129365.

Almost surely, 2^2032220400 is an apocalyptic number.

2032220400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2032220400 is an abundant number, since it is smaller than the sum of its proper divisors (5407672464).

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

2032220400 is a wasteful number, since it uses less digits than its factorization.

2032220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241959 (or 241948 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2032220400 is about 45080.1552792357. The cubic root of 2032220400 is about 1266.6508985418.

Adding to 2032220400 its reverse (40222302), we get a palindrome (2072442702).

The spelling of 2032220400 in words is "two billion, thirty-two million, two hundred twenty thousand, four hundred".