20540041000 has 128 divisors (see below), whose sum is σ = 49037788800. Its totient is φ = 8051251200.

The previous prime is 20540040973. The next prime is 20540041009. The reversal of 20540041000 is 14004502.

It is not an unprimeable number, because it can be changed into a prime (20540041009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10378011 + ... + 10379989.

It is an arithmetic number, because the mean of its divisors is an integer number (383107725).

Almost surely, 2^20540041000 is an apocalyptic number.

20540041000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20540041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24518894400).

20540041000 is an abundant number, since it is smaller than the sum of its proper divisors (28497747800).

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

20540041000 is a wasteful number, since it uses less digits than its factorization.

20540041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20540041000 its reverse (14004502), we get a palindrome (20554045502).

The spelling of 20540041000 in words is "twenty billion, five hundred forty million, forty-one thousand".