20202048 has 98 divisors (see below), whose sum is σ = 60243974. Its totient is φ = 6718464.

The previous prime is 20202031. The next prime is 20202071. The reversal of 20202048 is 84020202.

It can be written as a sum of positive squares in only one way, i.e., 13483584 + 6718464 = 3672^2 + 2592^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20202048.

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 13 ways as a sum of consecutive naturals, for example, 46440 + ... + 46872.

Almost surely, 2^20202048 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 20202048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30121987).

20202048 is an abundant number, since it is smaller than the sum of its proper divisors (40041926).

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

20202048 is an frugal number, since it uses more digits than its factorization.

20202048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20202048 is about 4494.6688420839. The cubic root of 20202048 is about 272.3527718001.

The spelling of 20202048 in words is "twenty million, two hundred two thousand, forty-eight".