20200111012 has 24 divisors (see below), whose sum is σ = 36116148096. Its totient is φ = 9881376288.

The previous prime is 20200111007. The next prime is 20200111013. The reversal of 20200111012 is 21011100202.

It is a self number, because there is not a number n which added to its sum of digits gives 20200111012.

It is not an unprimeable number, because it can be changed into a prime (20200111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507798 + ... + 546130.

It is an arithmetic number, because the mean of its divisors is an integer number (1504839504).

Almost surely, 2^20200111012 is an apocalyptic number.

It is an amenable number.

20200111012 is a deficient number, since it is larger than the sum of its proper divisors (15916037084).

20200111012 is a wasteful number, since it uses less digits than its factorization.

20200111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41187 (or 41185 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20200111012 its reverse (21011100202), we get a palindrome (41211211214).

The spelling of 20200111012 in words is "twenty billion, two hundred million, one hundred eleven thousand, twelve".