2154205032 has 48 divisors (see below), whose sum is σ = 6264783360. Its totient is φ = 615486816.

The previous prime is 2154205019. The next prime is 2154205033. The reversal of 2154205032 is 2305024512.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2154204993 and 2154205011.

It is not an unprimeable number, because it can be changed into a prime (2154205033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914728 + ... + 917079.

It is an arithmetic number, because the mean of its divisors is an integer number (130516320).

Almost surely, 2^2154205032 is an apocalyptic number.

It is an amenable number.

2154205032 is an abundant number, since it is smaller than the sum of its proper divisors (4110578328).

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

2154205032 is a wasteful number, since it uses less digits than its factorization.

2154205032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831830 (or 1831819 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2154205032 is about 46413.4143540421. The cubic root of 2154205032 is about 1291.5037712598.

Adding to 2154205032 its reverse (2305024512), we get a palindrome (4459229544).

The spelling of 2154205032 in words is "two billion, one hundred fifty-four million, two hundred five thousand, thirty-two".