2103720354 has 48 divisors (see below), whose sum is σ = 4605400800. Its totient is φ = 693987840.

The previous prime is 2103720331. The next prime is 2103720379. The reversal of 2103720354 is 4530273012.

It is a Curzon 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, 1057749 + ... + 1059735.

It is an arithmetic number, because the mean of its divisors is an integer number (95945850).

Almost surely, 2^2103720354 is an apocalyptic number.

2103720354 is an abundant number, since it is smaller than the sum of its proper divisors (2501680446).

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

2103720354 is a wasteful number, since it uses less digits than its factorization.

2103720354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2103720354 is about 45866.3313771660. The cubic root of 2103720354 is about 1281.3349423154.

Adding to 2103720354 its reverse (4530273012), we get a palindrome (6633993366).

The spelling of 2103720354 in words is "two billion, one hundred three million, seven hundred twenty thousand, three hundred fifty-four".