20302403043 has 8 divisors (see below), whose sum is σ = 29152168528. Its totient is φ = 12493786464.

The previous prime is 20302403039. The next prime is 20302403057. The reversal of 20302403043 is 34030420302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20302403043 - 2² = 20302403039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302403003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260287180 + ... + 260287257.

It is an arithmetic number, because the mean of its divisors is an integer number (3644021066).

Almost surely, 2^20302403043 is an apocalyptic number.

20302403043 is a deficient number, since it is larger than the sum of its proper divisors (8849765485).

20302403043 is a wasteful number, since it uses less digits than its factorization.

20302403043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520574453.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20302403043 its reverse (34030420302), we get a palindrome (54332823345).

The spelling of 20302403043 in words is "twenty billion, three hundred two million, four hundred three thousand, forty-three".