20540580292032 has 28 divisors (see below), whose sum is σ = 54346952023176. Its totient is φ = 6846860097280.

The previous prime is 20540580292007. The next prime is 20540580292069. The reversal of 20540580292032 is 23029208504502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53491094319 + ... + 53491094702.

Almost surely, 2^{20540580292032} is an apocalyptic number.

It is an amenable number.

20540580292032 is an abundant number, since it is smaller than the sum of its proper divisors (33806371731144).

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

20540580292032 is a wasteful number, since it uses less digits than its factorization.

20540580292032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106982189036 (or 106982189026 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 20540580292032 its reverse (23029208504502), we get a palindrome (43569788796534).

The spelling of 20540580292032 in words is "twenty trillion, five hundred forty billion, five hundred eighty million, two hundred ninety-two thousand, thirty-two".