20033213221012 has 24 divisors (see below), whose sum is σ = 35633186330112. Its totient is φ = 9852305973600.

The previous prime is 20033213220997. The next prime is 20033213221027. The reversal of 20033213221012 is 21012231233002.

It is an interprime number because it is at equal distance from previous prime (20033213220997) and next prime (20033213221027).

It is a congruent number.

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, 30098337 + ... + 30756727.

It is an arithmetic number, because the mean of its divisors is an integer number (1484716097088).

Almost surely, 2^{20033213221012} is an apocalyptic number.

It is an amenable number.

20033213221012 is a deficient number, since it is larger than the sum of its proper divisors (15599973109100).

20033213221012 is a wasteful number, since it uses less digits than its factorization.

20033213221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783159 (or 783157 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20033213221012 its reverse (21012231233002), we get a palindrome (41045444454014).

The spelling of 20033213221012 in words is "twenty trillion, thirty-three billion, two hundred thirteen million, two hundred twenty-one thousand, twelve".