20415434033135 has 8 divisors (see below), whose sum is σ = 24498549484800. Its totient is φ = 16332328129824.

The previous prime is 20415434033131. The next prime is 20415434033201. The reversal of 20415434033135 is 53133043451402.

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 20415434033135 - 2² = 20415434033131 is a prime.

It is a super-2 number, since 2×20415434033135² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415434033131) 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, 3752141 + ... + 7410089.

It is an arithmetic number, because the mean of its divisors is an integer number (3062318685600).

Almost surely, 2^{20415434033135} is an apocalyptic number.

20415434033135 is a deficient number, since it is larger than the sum of its proper divisors (4083115451665).

20415434033135 is a wasteful number, since it uses less digits than its factorization.

20415434033135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774177.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 20415434033135 its reverse (53133043451402), we get a palindrome (73548477484537).

The spelling of 20415434033135 in words is "twenty trillion, four hundred fifteen billion, four hundred thirty-four million, thirty-three thousand, one hundred thirty-five".