20213033033242 has 32 divisors (see below), whose sum is σ = 35284760020224. Its totient is φ = 8505279417600.

The previous prime is 20213033033191. The next prime is 20213033033299. The reversal of 20213033033242 is 24233033031202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213033033242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41949333 + ... + 42428440.

It is an arithmetic number, because the mean of its divisors is an integer number (1102648750632).

Almost surely, 2^{20213033033242} is an apocalyptic number.

20213033033242 is a deficient number, since it is larger than the sum of its proper divisors (15071726986982).

20213033033242 is a wasteful number, since it uses less digits than its factorization.

20213033033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84378094.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20213033033242 its reverse (24233033031202), we get a palindrome (44446066064444).

The spelling of 20213033033242 in words is "twenty trillion, two hundred thirteen billion, thirty-three million, thirty-three thousand, two hundred forty-two".