20317057410 has 128 divisors (see below), whose sum is σ = 53299814400. Its totient is φ = 4926652416.

The previous prime is 20317057403. The next prime is 20317057441. The reversal of 20317057410 is 1475071302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7378594 + ... + 7381346.

It is an arithmetic number, because the mean of its divisors is an integer number (416404800).

Almost surely, 2^20317057410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20317057410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26649907200).

20317057410 is an abundant number, since it is smaller than the sum of its proper divisors (32982756990).

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

20317057410 is a wasteful number, since it uses less digits than its factorization.

20317057410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 20317057410 in words is "twenty billion, three hundred seventeen million, fifty-seven thousand, four hundred ten".