20015214323 has 8 divisors (see below), whose sum is σ = 21571586400. Its totient is φ = 18461233728.

The previous prime is 20015214313. The next prime is 20015214347. The reversal of 20015214323 is 32341251002.

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

It is a cyclic number.

It is not a de Polignac number, because 20015214323 - 2¹⁶ = 20015148787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20015214313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580463 + ... + 613976.

It is an arithmetic number, because the mean of its divisors is an integer number (2696448300).

Almost surely, 2^20015214323 is an apocalyptic number.

20015214323 is a deficient number, since it is larger than the sum of its proper divisors (1556372077).

20015214323 is a wasteful number, since it uses less digits than its factorization.

20015214323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195741.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20015214323 its reverse (32341251002), we get a palindrome (52356465325).

The spelling of 20015214323 in words is "twenty billion, fifteen million, two hundred fourteen thousand, three hundred twenty-three".