20302201143 has 24 divisors (see below), whose sum is σ = 34420552608. Its totient is φ = 11287708992.

The previous prime is 20302201141. The next prime is 20302201181. The reversal of 20302201143 is 34110220302.

20302201143 is a `hidden beast` number, since 20 + 302 + 201 + 143 = 666.

It is not a de Polignac number, because 20302201143 - 2¹ = 20302201141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302201141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4352496 + ... + 4357157.

It is an arithmetic number, because the mean of its divisors is an integer number (1434189692).

Almost surely, 2^20302201143 is an apocalyptic number.

20302201143 is a deficient number, since it is larger than the sum of its proper divisors (14118351465).

20302201143 is a wasteful number, since it uses less digits than its factorization.

20302201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709703 (or 8709700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20302201143 its reverse (34110220302), we get a palindrome (54412421445).

It can be divided in two parts, 20302 and 201143, that added together give a triangular number (221445 = T₆₆₅).

The spelling of 20302201143 in words is "twenty billion, three hundred two million, two hundred one thousand, one hundred forty-three".