20410515400206 has 32 divisors (see below), whose sum is σ = 41840090899200. Its totient is φ = 6634190070144.

The previous prime is 20410515400199. The next prime is 20410515400211. The reversal of 20410515400206 is 60200451501402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65880955 + ... + 66190038.

It is an arithmetic number, because the mean of its divisors is an integer number (1307502840600).

Almost surely, 2^{20410515400206} is an apocalyptic number.

20410515400206 is an abundant number, since it is smaller than the sum of its proper divisors (21429575498994).

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

20410515400206 is a wasteful number, since it uses less digits than its factorization.

20410515400206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132071640.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 20410515400206 its reverse (60200451501402), we get a palindrome (80610966901608).

The spelling of 20410515400206 in words is "twenty trillion, four hundred ten billion, five hundred fifteen million, four hundred thousand, two hundred six".