20012231024 has 20 divisors (see below), whose sum is σ = 38911691040. Its totient is φ = 9970504320.

The previous prime is 20012231017. The next prime is 20012231027. The reversal of 20012231024 is 42013221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012230993 and 20012231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012231027) 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, 2221064 + ... + 2230055.

It is an arithmetic number, because the mean of its divisors is an integer number (1945584552).

Almost surely, 2^20012231024 is an apocalyptic number.

It is an amenable number.

20012231024 is a deficient number, since it is larger than the sum of its proper divisors (18899460016).

20012231024 is a wasteful number, since it uses less digits than its factorization.

20012231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451408 (or 4451402 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20012231024 its reverse (42013221002), we get a palindrome (62025452026).

The spelling of 20012231024 in words is "twenty billion, twelve million, two hundred thirty-one thousand, twenty-four".