20136214604415 has 32 divisors (see below), whose sum is σ = 39652853377536. Its totient is φ = 8497040008320.

The previous prime is 20136214604413. The next prime is 20136214604461. The reversal of 20136214604415 is 51440641263102.

It is not a de Polignac number, because 20136214604415 - 2¹ = 20136214604413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136214604413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7375901421 + ... + 7375904150.

It is an arithmetic number, because the mean of its divisors is an integer number (1239151668048).

Almost surely, 2^{20136214604415} is an apocalyptic number.

20136214604415 is a deficient number, since it is larger than the sum of its proper divisors (19516638773121).

20136214604415 is a wasteful number, since it uses less digits than its factorization.

20136214604415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14751805599.

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 20136214604415 its reverse (51440641263102), we get a palindrome (71576855867517).

The spelling of 20136214604415 in words is "twenty trillion, one hundred thirty-six billion, two hundred fourteen million, six hundred four thousand, four hundred fifteen".