20541414040 has 64 divisors (see below), whose sum is σ = 53716089600. Its totient is φ = 6923395968.

The previous prime is 20541414031. The next prime is 20541414043. The reversal of 20541414040 is 4041414502.

It is a junction number, because it is equal to n+sod(n) for n = 20541413996 and 20541414014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541414043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605194 + ... + 638233.

It is an arithmetic number, because the mean of its divisors is an integer number (839313900).

Almost surely, 2^20541414040 is an apocalyptic number.

20541414040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20541414040 is an abundant number, since it is smaller than the sum of its proper divisors (33174675560).

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

20541414040 is a wasteful number, since it uses less digits than its factorization.

20541414040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243504 (or 1243500 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20541414040 its reverse (4041414502), we get a palindrome (24582828542).

The spelling of 20541414040 in words is "twenty billion, five hundred forty-one million, four hundred fourteen thousand, forty".