20136248 has 32 divisors (see below), whose sum is σ = 42199920. Its totient is φ = 8928000.

The previous prime is 20136241. The next prime is 20136301. The reversal of 20136248 is 84263102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 6398.

Almost surely, 2^20136248 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 20136248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21099960).

20136248 is an abundant number, since it is smaller than the sum of its proper divisors (22063672).

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

20136248 is a wasteful number, since it uses less digits than its factorization.

20136248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639 (or 5635 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20136248 is about 4487.3430891787. The cubic root of 20136248 is about 272.0567571870.

The spelling of 20136248 in words is "twenty million, one hundred thirty-six thousand, two hundred forty-eight".