20345203300140 has 144 divisors (see below), whose sum is σ = 62881296686208. Its totient is φ = 5322759117312.

The previous prime is 20345203300127. The next prime is 20345203300153. The reversal of 20345203300140 is 4100330254302.

20345203300140 is a `hidden beast` number, since 2 + 0 + 345 + 2 + 0 + 3 + 300 + 14 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20345203300127) and next prime (20345203300153).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261423874 + ... + 261501686.

It is an arithmetic number, because the mean of its divisors is an integer number (436675671432).

Almost surely, 2^{20345203300140} is an apocalyptic number.

20345203300140 is a gapful number since it is divisible by the number (20) 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 20345203300140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31440648343104).

20345203300140 is an abundant number, since it is smaller than the sum of its proper divisors (42536093386068).

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

20345203300140 is a wasteful number, since it uses less digits than its factorization.

20345203300140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105288 (or 105283 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20345203300140 its reverse (4100330254302), we get a palindrome (24445533554442).

The spelling of 20345203300140 in words is "twenty trillion, three hundred forty-five billion, two hundred three million, three hundred thousand, one hundred forty".