20006027421115 has 16 divisors (see below), whose sum is σ = 24087962866176. Its totient is φ = 15951060316800.

The previous prime is 20006027421113. The next prime is 20006027421187. The reversal of 20006027421115 is 51112472060002.

It is not a de Polignac number, because 20006027421115 - 2¹ = 20006027421113 is a prime.

It is a super-2 number, since 2×20006027421115² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006027421113) 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, 902776 + ... + 6389605.

It is an arithmetic number, because the mean of its divisors is an integer number (1505497679136).

Almost surely, 2^{20006027421115} is an apocalyptic number.

20006027421115 is a deficient number, since it is larger than the sum of its proper divisors (4081935445061).

20006027421115 is a wasteful number, since it uses less digits than its factorization.

20006027421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294230.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 20006027421115 its reverse (51112472060002), we get a palindrome (71118499481117).

The spelling of 20006027421115 in words is "twenty trillion, six billion, twenty-seven million, four hundred twenty-one thousand, one hundred fifteen".