20010334240 has 96 divisors (see below), whose sum is σ = 50945025600. Its totient is φ = 7383481344.

The previous prime is 20010334237. The next prime is 20010334241. The reversal of 20010334240 is 4243301002.

It is not an unprimeable number, because it can be changed into a prime (20010334241) 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, 4879711 + ... + 4883809.

It is an arithmetic number, because the mean of its divisors is an integer number (530677350).

Almost surely, 2^20010334240 is an apocalyptic number.

20010334240 is a gapful number since it is divisible by the number (20) 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 20010334240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25472512800).

20010334240 is an abundant number, since it is smaller than the sum of its proper divisors (30934691360).

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

20010334240 is a wasteful number, since it uses less digits than its factorization.

20010334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20010334240 its reverse (4243301002), we get a palindrome (24253635242).

The spelling of 20010334240 in words is "twenty billion, ten million, three hundred thirty-four thousand, two hundred forty".