20541050740 has 96 divisors (see below), whose sum is σ = 51393742848. Its totient is φ = 6747840000.

The previous prime is 20541050729. The next prime is 20541050743. The reversal of 20541050740 is 4705014502.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20541050699 and 20541050708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541050743) 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, 414910 + ... + 461770.

It is an arithmetic number, because the mean of its divisors is an integer number (535351488).

Almost surely, 2^20541050740 is an apocalyptic number.

20541050740 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 20541050740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25696871424).

20541050740 is an abundant number, since it is smaller than the sum of its proper divisors (30852692108).

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

20541050740 is a wasteful number, since it uses less digits than its factorization.

20541050740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47009 (or 47007 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 20541050740 in words is "twenty billion, five hundred forty-one million, fifty thousand, seven hundred forty".