20011335223442 has 16 divisors (see below), whose sum is σ = 30465183998592. Its totient is φ = 9856275520080.

The previous prime is 20011335223417. The next prime is 20011335223489. The reversal of 20011335223442 is 24432253311002.

It is a junction number, because it is equal to n+sod(n) for n = 20011335223399 and 20011335223408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37056692 + ... + 37592832.

It is an arithmetic number, because the mean of its divisors is an integer number (1904073999912).

Almost surely, 2^{20011335223442} is an apocalyptic number.

20011335223442 is a deficient number, since it is larger than the sum of its proper divisors (10453848775150).

20011335223442 is a wasteful number, since it uses less digits than its factorization.

20011335223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814753.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20011335223442 its reverse (24432253311002), we get a palindrome (44443588534444).

The spelling of 20011335223442 in words is "twenty trillion, eleven billion, three hundred thirty-five million, two hundred twenty-three thousand, four hundred forty-two".