20120104232 has 8 divisors (see below), whose sum is σ = 37725195450. Its totient is φ = 10060052112.

The previous prime is 20120104223. The next prime is 20120104241. The reversal of 20120104232 is 23240102102.

It is an interprime number because it is at equal distance from previous prime (20120104223) and next prime (20120104241).

It can be written as a sum of positive squares in only one way, i.e., 20080590436 + 39513796 = 141706^2 + 6286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20120104232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257506507 + ... + 1257506522.

Almost surely, 2^20120104232 is an apocalyptic number.

It is an amenable number.

20120104232 is a deficient number, since it is larger than the sum of its proper divisors (17605091218).

20120104232 is a wasteful number, since it uses less digits than its factorization.

20120104232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515013035 (or 2515013031 counting only the distinct ones).

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

Adding to 20120104232 its reverse (23240102102), we get a palindrome (43360206334).

The spelling of 20120104232 in words is "twenty billion, one hundred twenty million, one hundred four thousand, two hundred thirty-two".