20012320422215 has 8 divisors (see below), whose sum is σ = 26197946734608. Its totient is φ = 14554414852480.

The previous prime is 20012320422179. The next prime is 20012320422223. The reversal of 20012320422215 is 51222402321002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012320422215 - 2²⁴ = 20012303644999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181930185602 + ... + 181930185711.

It is an arithmetic number, because the mean of its divisors is an integer number (3274743341826).

Almost surely, 2^{20012320422215} is an apocalyptic number.

20012320422215 is a deficient number, since it is larger than the sum of its proper divisors (6185626312393).

20012320422215 is a wasteful number, since it uses less digits than its factorization.

20012320422215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363860371329.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20012320422215 its reverse (51222402321002), we get a palindrome (71234722743217).

The spelling of 20012320422215 in words is "twenty trillion, twelve billion, three hundred twenty million, four hundred twenty-two thousand, two hundred fifteen".