20142304332420 has 24 divisors (see below), whose sum is σ = 56398452130944. Its totient is φ = 5371281155296.

The previous prime is 20142304332419. The next prime is 20142304332487. The reversal of 20142304332420 is 2423340324102.

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 7 ways as a sum of consecutive naturals, for example, 167852536044 + ... + 167852536163.

It is an arithmetic number, because the mean of its divisors is an integer number (2349935505456).

Almost surely, 2^{20142304332420} is an apocalyptic number.

20142304332420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142304332420 is an abundant number, since it is smaller than the sum of its proper divisors (36256147798524).

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

20142304332420 is a wasteful number, since it uses less digits than its factorization.

20142304332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335705072219 (or 335705072217 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20142304332420 its reverse (2423340324102), we get a palindrome (22565644656522).

The spelling of 20142304332420 in words is "twenty trillion, one hundred forty-two billion, three hundred four million, three hundred thirty-two thousand, four hundred twenty".