20302293871 has 16 divisors (see below), whose sum is σ = 21314871360. Its totient is φ = 19310986240.

The previous prime is 20302293841. The next prime is 20302293881. The reversal of 20302293871 is 17839220302.

It is a cyclic number.

It is not a de Polignac number, because 20302293871 - 2⁷ = 20302293743 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 20302293871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302293811) 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, 3318111 + ... + 3324223.

It is an arithmetic number, because the mean of its divisors is an integer number (1332179460).

Almost surely, 2^20302293871 is an apocalyptic number.

20302293871 is a deficient number, since it is larger than the sum of its proper divisors (1012577489).

20302293871 is a wasteful number, since it uses less digits than its factorization.

20302293871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 20302293871 in words is "twenty billion, three hundred two million, two hundred ninety-three thousand, eight hundred seventy-one".