140234001320020 has 96 divisors (see below), whose sum is σ = 314462895667200. Its totient is φ = 52378453822464.

The previous prime is 140234001319943. The next prime is 140234001320027. The reversal of 140234001320020 is 20023100432041.

It is a super-2 number, since 2×140234001320020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140234001319973 and 140234001320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140234001320027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4180749 + ... + 17261131.

It is an arithmetic number, because the mean of its divisors is an integer number (3275655163200).

Almost surely, 2^{140234001320020} is an apocalyptic number.

140234001320020 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 140234001320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157231447833600).

140234001320020 is an abundant number, since it is smaller than the sum of its proper divisors (174228894347180).

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

140234001320020 is a wasteful number, since it uses less digits than its factorization.

140234001320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080817 (or 13080815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 140234001320020 its reverse (20023100432041), we get a palindrome (160257101752061).

The spelling of 140234001320020 in words is "one hundred forty trillion, two hundred thirty-four billion, one million, three hundred twenty thousand, twenty".