20340265060 has 72 divisors (see below), whose sum is σ = 46430778240. Its totient is φ = 7479338496.

The previous prime is 20340265051. The next prime is 20340265061. The reversal of 20340265060 is 6056204302.

It is a happy number.

It is a super-3 number, since 3×20340265060³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20340265061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207621 + ... + 289459.

It is an arithmetic number, because the mean of its divisors is an integer number (644871920).

Almost surely, 2^20340265060 is an apocalyptic number.

20340265060 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 20340265060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23215389120).

20340265060 is an abundant number, since it is smaller than the sum of its proper divisors (26090513180).

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

20340265060 is a wasteful number, since it uses less digits than its factorization.

20340265060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81925 (or 81906 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20340265060 its reverse (6056204302), we get a palindrome (26396469362).

The spelling of 20340265060 in words is "twenty billion, three hundred forty million, two hundred sixty-five thousand, sixty".