20021230232110 has 32 divisors (see below), whose sum is σ = 36649459998720. Its totient is φ = 7872662915232.

The previous prime is 20021230232063. The next prime is 20021230232131. The reversal of 20021230232110 is 1123203212002.

It is a congruent number.

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, 73523827 + ... + 73795633.

It is an arithmetic number, because the mean of its divisors is an integer number (1145295624960).

Almost surely, 2^{20021230232110} is an apocalyptic number.

20021230232110 is a deficient number, since it is larger than the sum of its proper divisors (16628229766610).

20021230232110 is a wasteful number, since it uses less digits than its factorization.

20021230232110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396720.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20021230232110 its reverse (1123203212002), we get a palindrome (21144433444112).

The spelling of 20021230232110 in words is "twenty trillion, twenty-one billion, two hundred thirty million, two hundred thirty-two thousand, one hundred ten".