20136012 has 36 divisors (see below), whose sum is σ = 50881320. Its totient is φ = 6195072.

The previous prime is 20135993. The next prime is 20136031. The reversal of 20136012 is 21063102.

It is an interprime number because it is at equal distance from previous prime (20135993) and next prime (20136031).

It is a junction number, because it is equal to n+sod(n) for n = 20135982 and 20136000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2937 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (1413370).

Almost surely, 2^20136012 is an apocalyptic number.

It is an amenable number.

20136012 is an abundant number, since it is smaller than the sum of its proper divisors (30745308).

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

20136012 is a wasteful number, since it uses less digits than its factorization.

20136012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20136012 is about 4487.3167929176. The cubic root of 20136012 is about 272.0556943335.

Adding to 20136012 its reverse (21063102), we get a palindrome (41199114).

The spelling of 20136012 in words is "twenty million, one hundred thirty-six thousand, twelve".