2451201020 has 48 divisors (see below), whose sum is σ = 5510332800. Its totient is φ = 913124160.

The previous prime is 2451200993. The next prime is 2451201041. The reversal of 2451201020 is 201021542.

It is a self number, because there is not a number n which added to its sum of digits gives 2451201020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32246 + ... + 77085.

It is an arithmetic number, because the mean of its divisors is an integer number (114798600).

Almost surely, 2^2451201020 is an apocalyptic number.

2451201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451201020 is an abundant number, since it is smaller than the sum of its proper divisors (3059131780).

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

2451201020 is a wasteful number, since it uses less digits than its factorization.

2451201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109418 (or 109416 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2451201020 is about 49509.6053306831. The cubic root of 2451201020 is about 1348.3199989038.

Adding to 2451201020 its reverse (201021542), we get a palindrome (2652222562).

The spelling of 2451201020 in words is "two billion, four hundred fifty-one million, two hundred one thousand, twenty".