20045430415102 has 32 divisors (see below), whose sum is σ = 30518205030144. Its totient is φ = 9874129608000.

The previous prime is 20045430415069. The next prime is 20045430415103. The reversal of 20045430415102 is 20151403454002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045430415103) 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, 17477538 + ... + 18589114.

It is an arithmetic number, because the mean of its divisors is an integer number (953693907192).

Almost surely, 2^{20045430415102} is an apocalyptic number.

20045430415102 is a deficient number, since it is larger than the sum of its proper divisors (10472774615042).

20045430415102 is a wasteful number, since it uses less digits than its factorization.

20045430415102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112224.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20045430415102 its reverse (20151403454002), we get a palindrome (40196833869104).

The spelling of 20045430415102 in words is "twenty trillion, forty-five billion, four hundred thirty million, four hundred fifteen thousand, one hundred two".