20342204403150 has 384 divisors, whose sum is σ = 58421110809600. Its totient is φ = 4588460236800.

The previous prime is 20342204403149. The next prime is 20342204403161. The reversal of 20342204403150 is 5130440224302.

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 polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18342834796 + ... + 18342835904.

It is an arithmetic number, because the mean of its divisors is an integer number (152138309400).

Almost surely, 2^{20342204403150} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20342204403150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29210555404800).

20342204403150 is an abundant number, since it is smaller than the sum of its proper divisors (38078906406450).

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

20342204403150 is a wasteful number, since it uses less digits than its factorization.

20342204403150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20342204403150 its reverse (5130440224302), we get a palindrome (25472644627452).

The spelling of 20342204403150 in words is "twenty trillion, three hundred forty-two billion, two hundred four million, four hundred three thousand, one hundred fifty".