20110103312 has 20 divisors (see below), whose sum is σ = 41960504460. Its totient is φ = 9281586048.

The previous prime is 20110103287. The next prime is 20110103323. The reversal of 20110103312 is 21330101102.

It can be written as a sum of positive squares in 2 ways, for example, as 13478281216 + 6631822096 = 116096^2 + 81436^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48341387 + ... + 48341802.

It is an arithmetic number, because the mean of its divisors is an integer number (2098025223).

Almost surely, 2^20110103312 is an apocalyptic number.

It is an amenable number.

20110103312 is an abundant number, since it is smaller than the sum of its proper divisors (21850401148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110103312 is a wasteful number, since it uses less digits than its factorization.

20110103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96683210 (or 96683204 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20110103312 its reverse (21330101102), we get a palindrome (41440204414).

The spelling of 20110103312 in words is "twenty billion, one hundred ten million, one hundred three thousand, three hundred twelve".