20120104052 has 24 divisors (see below), whose sum is σ = 36214325280. Its totient is φ = 9773943840.

The previous prime is 20120104009. The next prime is 20120104057. The reversal of 20120104052 is 25040102102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120104052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120104057) 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, 3899 + ... + 200637.

It is an arithmetic number, because the mean of its divisors is an integer number (1508930220).

Almost surely, 2^20120104052 is an apocalyptic number.

It is an amenable number.

20120104052 is a deficient number, since it is larger than the sum of its proper divisors (16094221228).

20120104052 is a wasteful number, since it uses less digits than its factorization.

20120104052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197471 (or 197469 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20120104052 its reverse (25040102102), we get a palindrome (45160206154).

The spelling of 20120104052 in words is "twenty billion, one hundred twenty million, one hundred four thousand, fifty-two".