20045503151 has 16 divisors (see below), whose sum is σ = 20702304000. Its totient is φ = 19397219520.

The previous prime is 20045503147. The next prime is 20045503171. The reversal of 20045503151 is 15130554002.

It is a cyclic number.

It is not a de Polignac number, because 20045503151 - 2² = 20045503147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20045503151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045503141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3413720 + ... + 3419586.

It is an arithmetic number, because the mean of its divisors is an integer number (1293894000).

Almost surely, 2^20045503151 is an apocalyptic number.

20045503151 is a deficient number, since it is larger than the sum of its proper divisors (656800849).

20045503151 is a wasteful number, since it uses less digits than its factorization.

20045503151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 20045503151 in words is "twenty billion, forty-five million, five hundred three thousand, one hundred fifty-one".