20463652 has 48 divisors (see below), whose sum is σ = 41473152. Its totient is φ = 8743680.

The previous prime is 20463617. The next prime is 20463661. The reversal of 20463652 is 25636402.

It is a happy number.

It is a super-2 number, since 2×20463652² = 837522106354208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20463652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73738 + ... + 74014.

It is an arithmetic number, because the mean of its divisors is an integer number (864024).

Almost surely, 2^20463652 is an apocalyptic number.

20463652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20463652 is an abundant number, since it is smaller than the sum of its proper divisors (21009500).

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

20463652 is a wasteful number, since it uses less digits than its factorization.

20463652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 20463652 is about 4523.6768231163. The cubic root of 20463652 is about 273.5233334259.

It can be divided in two parts, 20463 and 652, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 20463652 in words is "twenty million, four hundred sixty-three thousand, six hundred fifty-two".