2120204016453 has 16 divisors (see below), whose sum is σ = 2828510487936. Its totient is φ = 1412683621440.

The previous prime is 2120204016433. The next prime is 2120204016461. The reversal of 2120204016453 is 3546104020212.

It is not a de Polignac number, because 2120204016453 - 2¹² = 2120204012357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120204016453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120204016433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64394151 + ... + 64427067.

It is an arithmetic number, because the mean of its divisors is an integer number (176781905496).

Almost surely, 2^{2120204016453} is an apocalyptic number.

It is an amenable number.

2120204016453 is a deficient number, since it is larger than the sum of its proper divisors (708306471483).

2120204016453 is a wasteful number, since it uses less digits than its factorization.

2120204016453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44204.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2120204016453 its reverse (3546104020212), we get a palindrome (5666308036665).

The spelling of 2120204016453 in words is "two trillion, one hundred twenty billion, two hundred four million, sixteen thousand, four hundred fifty-three".