20411443231410 has 128 divisors (see below), whose sum is σ = 61092208779264. Its totient is φ = 4240163208960.

The previous prime is 20411443231409. The next prime is 20411443231423. The reversal of 20411443231410 is 1413234411402.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7123207 + ... + 9568853.

It is an arithmetic number, because the mean of its divisors is an integer number (477282881088).

Almost surely, 2^{20411443231410} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411443231410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30546104389632).

20411443231410 is an abundant number, since it is smaller than the sum of its proper divisors (40680765547854).

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

20411443231410 is a wasteful number, since it uses less digits than its factorization.

20411443231410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449288.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 20411443231410 its reverse (1413234411402), we get a palindrome (21824677642812).

The spelling of 20411443231410 in words is "twenty trillion, four hundred eleven billion, four hundred forty-three million, two hundred thirty-one thousand, four hundred ten".