20350335342644 has 12 divisors (see below), whose sum is σ = 35613119052000. Its totient is φ = 10175158470648.

The previous prime is 20350335342643. The next prime is 20350335342647. The reversal of 20350335342644 is 44624353305302.

It is a super-2 number, since 2×20350335342644² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20350335342595 and 20350335342604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350335342643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022127 + ... + 8773065.

It is an arithmetic number, because the mean of its divisors is an integer number (2967759921000).

Almost surely, 2^{20350335342644} is an apocalyptic number.

It is an amenable number.

20350335342644 is a deficient number, since it is larger than the sum of its proper divisors (15262783709356).

20350335342644 is a wasteful number, since it uses less digits than its factorization.

20350335342644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600342 (or 4600340 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 44.

Adding to 20350335342644 its reverse (44624353305302), we get a palindrome (64974688647946).

The spelling of 20350335342644 in words is "twenty trillion, three hundred fifty billion, three hundred thirty-five million, three hundred forty-two thousand, six hundred forty-four".