20411035016253 has 32 divisors (see below), whose sum is σ = 31220753270784. Its totient is φ = 11619155875392.

The previous prime is 20411035016189. The next prime is 20411035016269. The reversal of 20411035016253 is 35261053011402.

It is not a de Polignac number, because 20411035016253 - 2⁶ = 20411035016189 is a prime.

It is a super-2 number, since 2×20411035016253² (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 (20411035016293) 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, 11050551 + ... + 12764667.

It is an arithmetic number, because the mean of its divisors is an integer number (975648539712).

Almost surely, 2^{20411035016253} is an apocalyptic number.

It is an amenable number.

20411035016253 is a deficient number, since it is larger than the sum of its proper divisors (10809718254531).

20411035016253 is a wasteful number, since it uses less digits than its factorization.

20411035016253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716281.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 20411035016253 its reverse (35261053011402), we get a palindrome (55672088027655).

The spelling of 20411035016253 in words is "twenty trillion, four hundred eleven billion, thirty-five million, sixteen thousand, two hundred fifty-three".