20411342350365 has 128 divisors (see below), whose sum is σ = 35527984128000. Its totient is φ = 9973209286656.

The previous prime is 20411342350337. The next prime is 20411342350379. The reversal of 20411342350365 is 56305324311402.

It is not a de Polignac number, because 20411342350365 - 2⁸ = 20411342350109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1951552506 + ... + 1951562964.

It is an arithmetic number, because the mean of its divisors is an integer number (277562376000).

Almost surely, 2^{20411342350365} is an apocalyptic number.

It is an amenable number.

20411342350365 is a deficient number, since it is larger than the sum of its proper divisors (15116641777635).

20411342350365 is a wasteful number, since it uses less digits than its factorization.

20411342350365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12259.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 20411342350365 its reverse (56305324311402), we get a palindrome (76716666661767).

The spelling of 20411342350365 in words is "twenty trillion, four hundred eleven billion, three hundred forty-two million, three hundred fifty thousand, three hundred sixty-five".