2100024444420 has 144 divisors (see below), whose sum is σ = 7280468552448. Its totient is φ = 479980281600.

The previous prime is 2100024444313. The next prime is 2100024444431. The reversal of 2100024444420 is 244444200012.

2100024444420 is a `hidden beast` number, since 210 + 0 + 0 + 2 + 4 + 4 + 4 + 442 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34873177 + ... + 34933343.

It is an arithmetic number, because the mean of its divisors is an integer number (50558809392).

Almost surely, 2^{2100024444420} is an apocalyptic number.

2100024444420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100024444420 is an abundant number, since it is smaller than the sum of its proper divisors (5180444108028).

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

2100024444420 is a wasteful number, since it uses less digits than its factorization.

2100024444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87890 (or 87885 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 2100024444420 its reverse (244444200012), we get a palindrome (2344468644432).

The spelling of 2100024444420 in words is "two trillion, one hundred billion, twenty-four million, four hundred forty-four thousand, four hundred twenty".