11020020412 has 12 divisors (see below), whose sum is σ = 19292258440. Its totient is φ = 5507946576.

The previous prime is 11020020397. The next prime is 11020020419. The reversal of 11020020412 is 21402002011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11020020392 and 11020020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020020419) 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, 503862 + ... + 525277.

Almost surely, 2^11020020412 is an apocalyptic number.

It is an amenable number.

11020020412 is a deficient number, since it is larger than the sum of its proper divisors (8272238028).

11020020412 is a wasteful number, since it uses less digits than its factorization.

11020020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031820 (or 1031818 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11020020412 its reverse (21402002011), we get a palindrome (32422022423).

The spelling of 11020020412 in words is "eleven billion, twenty million, twenty thousand, four hundred twelve".