20001534303 has 16 divisors (see below), whose sum is σ = 27050284800. Its totient is φ = 13144287744.

The previous prime is 20001534283. The next prime is 20001534359. The reversal of 20001534303 is 30343510002.

It is not a de Polignac number, because 20001534303 - 2¹⁴ = 20001517919 is a prime.

It is a super-2 number, since 2×20001534303² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20001534303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001534803) 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, 22350 + ... + 201252.

It is an arithmetic number, because the mean of its divisors is an integer number (1690642800).

Almost surely, 2^20001534303 is an apocalyptic number.

20001534303 is a deficient number, since it is larger than the sum of its proper divisors (7048750497).

20001534303 is a wasteful number, since it uses less digits than its factorization.

20001534303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179438.

The product of its (nonzero) digits is 1080, while the sum is 21.

The spelling of 20001534303 in words is "twenty billion, one million, five hundred thirty-four thousand, three hundred three".