20341440210 has 128 divisors (see below), whose sum is σ = 60232273920. Its totient is φ = 4281336576.

The previous prime is 20341440209. The next prime is 20341440211. The reversal of 20341440210 is 1204414302.

20341440210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20341440209) and next prime (20341440211).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20341440211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1134979 + ... + 1152761.

It is an arithmetic number, because the mean of its divisors is an integer number (470564640).

Almost surely, 2^20341440210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20341440210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30116136960).

20341440210 is an abundant number, since it is smaller than the sum of its proper divisors (39890833710).

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

20341440210 is a wasteful number, since it uses less digits than its factorization.

20341440210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18232.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20341440210 its reverse (1204414302), we get a palindrome (21545854512).

The spelling of 20341440210 in words is "twenty billion, three hundred forty-one million, four hundred forty thousand, two hundred ten".