142240201133420 has 96 divisors (see below), whose sum is σ = 323699030645760. Its totient is φ = 52191049824000.

The previous prime is 142240201133411. The next prime is 142240201133479. The reversal of 142240201133420 is 24331102042241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26166689 + ... + 31131591.

It is an arithmetic number, because the mean of its divisors is an integer number (3371864902560).

Almost surely, 2^{142240201133420} is an apocalyptic number.

142240201133420 is a gapful number since it is divisible by the number (10) 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 142240201133420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161849515322880).

142240201133420 is an abundant number, since it is smaller than the sum of its proper divisors (181458829512340).

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

142240201133420 is a wasteful number, since it uses less digits than its factorization.

142240201133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965615 (or 4965613 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 142240201133420 its reverse (24331102042241), we get a palindrome (166571303175661).

The spelling of 142240201133420 in words is "one hundred forty-two trillion, two hundred forty billion, two hundred one million, one hundred thirty-three thousand, four hundred twenty".