20540345010 has 32 divisors (see below), whose sum is σ = 51891399360. Its totient is φ = 5189139648.

The previous prime is 20540344961. The next prime is 20540345027. The reversal of 20540345010 is 1054304502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18017277 + ... + 18018416.

It is an arithmetic number, because the mean of its divisors is an integer number (1621606230).

Almost surely, 2^20540345010 is an apocalyptic number.

20540345010 is an abundant number, since it is smaller than the sum of its proper divisors (31351054350).

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

20540345010 is a wasteful number, since it uses less digits than its factorization.

20540345010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36035722.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20540345010 its reverse (1054304502), we get a palindrome (21594649512).

The spelling of 20540345010 in words is "twenty billion, five hundred forty million, three hundred forty-five thousand, ten".