20460012 has 12 divisors (see below), whose sum is σ = 47740056. Its totient is φ = 6820000.

The previous prime is 20460007. The next prime is 20460019. The reversal of 20460012 is 21006402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20460012² = 837224182080288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20459973 and 20460000.

It is not an unprimeable number, because it can be changed into a prime (20460019) 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, 852489 + ... + 852512.

It is an arithmetic number, because the mean of its divisors is an integer number (3978338).

Almost surely, 2^20460012 is an apocalyptic number.

It is an amenable number.

20460012 is an abundant number, since it is smaller than the sum of its proper divisors (27280044).

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

20460012 is a wasteful number, since it uses less digits than its factorization.

20460012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705008 (or 1705006 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20460012 is about 4523.2744776323. The cubic root of 20460012 is about 273.5071146856.

Adding to 20460012 its reverse (21006402), we get a palindrome (41466414).

The spelling of 20460012 in words is "twenty million, four hundred sixty thousand, twelve".