20462748 has 48 divisors (see below), whose sum is σ = 49889280. Its totient is φ = 6519744.

The previous prime is 20462707. The next prime is 20462749. The reversal of 20462748 is 84726402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462749) 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, 43965 + ... + 44427.

It is an arithmetic number, because the mean of its divisors is an integer number (1039360).

Almost surely, 2^20462748 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 20462748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24944640).

20462748 is an abundant number, since it is smaller than the sum of its proper divisors (29426532).

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

20462748 is a wasteful number, since it uses less digits than its factorization.

20462748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 20462748 is about 4523.5769032923. The cubic root of 20462748 is about 273.5193056545.

The spelling of 20462748 in words is "twenty million, four hundred sixty-two thousand, seven hundred forty-eight".