20465441310 has 64 divisors (see below), whose sum is σ = 51832972800. Its totient is φ = 5157136512.

The previous prime is 20465441281. The next prime is 20465441323. The reversal of 20465441310 is 1314456402.

It is a super-2 number, since 2×20465441310² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 181071 + ... + 271509.

It is an arithmetic number, because the mean of its divisors is an integer number (809890200).

Almost surely, 2^20465441310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20465441310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25916486400).

20465441310 is an abundant number, since it is smaller than the sum of its proper divisors (31367531490).

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

20465441310 is a wasteful number, since it uses less digits than its factorization.

20465441310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90865.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20465441310 its reverse (1314456402), we get a palindrome (21779897712).

The spelling of 20465441310 in words is "twenty billion, four hundred sixty-five million, four hundred forty-one thousand, three hundred ten".