20014215234321 has 192 divisors, whose sum is σ = 35691111945216. Its totient is φ = 9854978918400.

The previous prime is 20014215234199. The next prime is 20014215234353. The reversal of 20014215234321 is 12343251241002.

It is a happy number.

It is not a de Polignac number, because 20014215234321 - 2¹⁰ = 20014215233297 is a prime.

It is a super-2 number, since 2×20014215234321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20014215235321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 324227766 + ... + 324289488.

It is an arithmetic number, because the mean of its divisors is an integer number (185891208048).

Almost surely, 2^{20014215234321} is an apocalyptic number.

20014215234321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20014215234321 is a deficient number, since it is larger than the sum of its proper divisors (15676896710895).

20014215234321 is a wasteful number, since it uses less digits than its factorization.

20014215234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61932 (or 61925 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20014215234321 its reverse (12343251241002), we get a palindrome (32357466475323).

The spelling of 20014215234321 in words is "twenty trillion, fourteen billion, two hundred fifteen million, two hundred thirty-four thousand, three hundred twenty-one".