20023132293 has 24 divisors (see below), whose sum is σ = 29408191488. Its totient is φ = 13126361472.

The previous prime is 20023132291. The next prime is 20023132301. The reversal of 20023132293 is 39223132002.

20023132293 is a `hidden beast` number, since 20 + 0 + 231 + 322 + 93 = 666.

It is not a de Polignac number, because 20023132293 - 2¹ = 20023132291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023132291) 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, 51646 + ... + 206672.

It is an arithmetic number, because the mean of its divisors is an integer number (1225341312).

Almost surely, 2^20023132293 is an apocalyptic number.

It is an amenable number.

20023132293 is a deficient number, since it is larger than the sum of its proper divisors (9385059195).

20023132293 is a wasteful number, since it uses less digits than its factorization.

20023132293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155273 (or 155270 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20023132293 its reverse (39223132002), we get a palindrome (59246264295).

The spelling of 20023132293 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, two hundred ninety-three".