20432666250415 has 4 divisors (see below), whose sum is σ = 24519199500504. Its totient is φ = 16346133000328.

The previous prime is 20432666250389. The next prime is 20432666250419. The reversal of 20432666250415 is 51405266623402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20432666250415 - 2¹³ = 20432666242223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432666250419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043266625037 + ... + 2043266625046.

It is an arithmetic number, because the mean of its divisors is an integer number (6129799875126).

Almost surely, 2^{20432666250415} is an apocalyptic number.

20432666250415 is a deficient number, since it is larger than the sum of its proper divisors (4086533250089).

20432666250415 is an equidigital number, since it uses as much as digits as its factorization.

20432666250415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086533250088.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 20432666250415 in words is "twenty trillion, four hundred thirty-two billion, six hundred sixty-six million, two hundred fifty thousand, four hundred fifteen".