20331323111042 has 8 divisors (see below), whose sum is σ = 30811386570636. Its totient is φ = 10060860920832.

The previous prime is 20331323111041. The next prime is 20331323111233. The reversal of 20331323111042 is 24011132313302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17850379950841 + 2480943160201 = 4224971^2 + 1575101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20331323111041) 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, 52400317103 + ... + 52400317490.

Almost surely, 2^{20331323111042} is an apocalyptic number.

20331323111042 is a deficient number, since it is larger than the sum of its proper divisors (10480063459594).

20331323111042 is a wasteful number, since it uses less digits than its factorization.

20331323111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104800634692.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20331323111042 its reverse (24011132313302), we get a palindrome (44342455424344).

The spelling of 20331323111042 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred eleven thousand, forty-two".