20415411001542 has 32 divisors (see below), whose sum is σ = 41217881126400. Its totient is φ = 6740664918048.

The previous prime is 20415411001507. The next prime is 20415411001543. The reversal of 20415411001542 is 24510011451402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415411001543) 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, 2556942 + ... + 6882497.

It is an arithmetic number, because the mean of its divisors is an integer number (1288058785200).

Almost surely, 2^{20415411001542} is an apocalyptic number.

20415411001542 is an abundant number, since it is smaller than the sum of its proper divisors (20802470124858).

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

20415411001542 is a wasteful number, since it uses less digits than its factorization.

20415411001542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442860.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 20415411001542 its reverse (24510011451402), we get a palindrome (44925422452944).

The spelling of 20415411001542 in words is "twenty trillion, four hundred fifteen billion, four hundred eleven million, one thousand, five hundred forty-two".