20001733248 has 256 divisors, whose sum is σ = 67090083840. Its totient is φ = 5144494080.

The previous prime is 20001733247. The next prime is 20001733249. The reversal of 20001733248 is 84233710002.

It is an interprime number because it is at equal distance from previous prime (20001733247) and next prime (20001733249).

It is not an unprimeable number, because it can be changed into a prime (20001733247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1041493 + ... + 1060523.

It is an arithmetic number, because the mean of its divisors is an integer number (262070640).

Almost surely, 2^20001733248 is an apocalyptic number.

20001733248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001733248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33545041920).

20001733248 is an abundant number, since it is smaller than the sum of its proper divisors (47088350592).

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

20001733248 is a wasteful number, since it uses less digits than its factorization.

20001733248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095 (or 19083 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 20001733248 in words is "twenty billion, one million, seven hundred thirty-three thousand, two hundred forty-eight".