20415140300334 has 128 divisors (see below), whose sum is σ = 48089711480832. Its totient is φ = 5717763717120.

The previous prime is 20415140300323. The next prime is 20415140300371. The reversal of 20415140300334 is 43300304151402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65490789 + ... + 65801775.

It is an arithmetic number, because the mean of its divisors is an integer number (375700870944).

Almost surely, 2^{20415140300334} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20415140300334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24044855740416).

20415140300334 is an abundant number, since it is smaller than the sum of its proper divisors (27674571180498).

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

20415140300334 is a wasteful number, since it uses less digits than its factorization.

20415140300334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312650.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20415140300334 its reverse (43300304151402), we get a palindrome (63715444451736).

The spelling of 20415140300334 in words is "twenty trillion, four hundred fifteen billion, one hundred forty million, three hundred thousand, three hundred thirty-four".