20594288142 has 24 divisors (see below), whose sum is σ = 44712600816. Its totient is φ = 6850663776.

The previous prime is 20594288041. The next prime is 20594288149. The reversal of 20594288142 is 24188249502.

20594288142 is a `hidden beast` number, since 20 + 594 + 28 + 8 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20594288149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165903 + ... + 1183434.

It is an arithmetic number, because the mean of its divisors is an integer number (1863025034).

Almost surely, 2^20594288142 is an apocalyptic number.

20594288142 is an abundant number, since it is smaller than the sum of its proper divisors (24118312674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20594288142 is a wasteful number, since it uses less digits than its factorization.

20594288142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349832 (or 2349829 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 20594288142 in words is "twenty billion, five hundred ninety-four million, two hundred eighty-eight thousand, one hundred forty-two".