20460036 has 36 divisors (see below), whose sum is σ = 50395632. Its totient is φ = 6459696.

The previous prime is 20460019. The next prime is 20460053. The reversal of 20460036 is 63006402.

It is an interprime number because it is at equal distance from previous prime (20460019) and next prime (20460053).

It is a super-2 number, since 2×20460036² = 837226146242592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20459994 and 20460021.

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, 1971 + ... + 6693.

Almost surely, 2^20460036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20460036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25197816).

20460036 is an abundant number, since it is smaller than the sum of its proper divisors (29935596).

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

20460036 is a wasteful number, since it uses less digits than its factorization.

20460036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20460036 is about 4523.2771305769. The cubic root of 20460036 is about 273.5072216286.

Adding to 20460036 its reverse (63006402), we get a palindrome (83466438).

The spelling of 20460036 in words is "twenty million, four hundred sixty thousand, thirty-six".