20463612 has 48 divisors (see below), whose sum is σ = 52534272. Its totient is φ = 6160320.

The previous prime is 20463587. The next prime is 20463617. The reversal of 20463612 is 21636402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937 + ... + 8727.

It is an arithmetic number, because the mean of its divisors is an integer number (1094464).

Almost surely, 2^20463612 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 20463612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26267136).

20463612 is an abundant number, since it is smaller than the sum of its proper divisors (32070660).

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

20463612 is a wasteful number, since it uses less digits than its factorization.

20463612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20463612 is about 4523.6724019319. The cubic root of 20463612 is about 273.5231552084.

The spelling of 20463612 in words is "twenty million, four hundred sixty-three thousand, six hundred twelve".