2115204000 has 576 divisors, whose sum is σ = 8632915200. Its totient is φ = 443289600.

The previous prime is 2115203999. The next prime is 2115204017. The reversal of 2115204000 is 4025112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14195926 + ... + 14196074.

It is an arithmetic number, because the mean of its divisors is an integer number (14987700).

Almost surely, 2^2115204000 is an apocalyptic number.

2115204000 is a gapful number since it is divisible by the number (20) 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 2115204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4316457600).

2115204000 is an abundant number, since it is smaller than the sum of its proper divisors (6517711200).

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

2115204000 is a wasteful number, since it uses less digits than its factorization.

2115204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2115204000 is about 45991.3470122370. The cubic root of 2115204000 is about 1283.6622009066.

Adding to 2115204000 its reverse (4025112), we get a palindrome (2119229112).

It can be divided in two parts, 2115 and 204000, that multiplied together give a triangular number (431460000 = T₂₉₃₇₅).

The spelling of 2115204000 in words is "two billion, one hundred fifteen million, two hundred four thousand".