2101204624 has 20 divisors (see below), whose sum is σ = 4310560044. Its totient is φ = 988802048.

The previous prime is 2101204619. The next prime is 2101204627. The reversal of 2101204624 is 4264021012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1262523024 + 838681600 = 35532^2 + 28960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101204595 and 2101204604.

It is not an unprimeable number, because it can be changed into a prime (2101204627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3862237 + ... + 3862780.

Almost surely, 2^2101204624 is an apocalyptic number.

It is an amenable number.

2101204624 is an abundant number, since it is smaller than the sum of its proper divisors (2209355420).

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

2101204624 is a wasteful number, since it uses less digits than its factorization.

2101204624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725042 (or 7725036 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2101204624 is about 45838.8985906075. The cubic root of 2101204624 is about 1280.8239779281.

Adding to 2101204624 its reverse (4264021012), we get a palindrome (6365225636).

The spelling of 2101204624 in words is "two billion, one hundred one million, two hundred four thousand, six hundred twenty-four".