20302231132 has 6 divisors (see below), whose sum is σ = 35528904488. Its totient is φ = 10151115564.

The previous prime is 20302231127. The next prime is 20302231141. The reversal of 20302231132 is 23113220302.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2537778888 + ... + 2537778895.

Almost surely, 2^20302231132 is an apocalyptic number.

It is an amenable number.

20302231132 is a deficient number, since it is larger than the sum of its proper divisors (15226673356).

20302231132 is a wasteful number, since it uses less digits than its factorization.

20302231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075557787 (or 5075557785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302231132 its reverse (23113220302), we get a palindrome (43415451434).

The spelling of 20302231132 in words is "twenty billion, three hundred two million, two hundred thirty-one thousand, one hundred thirty-two".