20034313523240 has 32 divisors (see below), whose sum is σ = 45181792949760. Its totient is φ = 7995132072000.

The previous prime is 20034313523171. The next prime is 20034313523251. The reversal of 20034313523240 is 4232531343002.

It is a junction number, because it is equal to n+sod(n) for n = 20034313523197 and 20034313523206.

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, 581024336 + ... + 581058815.

It is an arithmetic number, because the mean of its divisors is an integer number (1411931029680).

Almost surely, 2^{20034313523240} is an apocalyptic number.

20034313523240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20034313523240 is an abundant number, since it is smaller than the sum of its proper divisors (25147479426520).

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

20034313523240 is a wasteful number, since it uses less digits than its factorization.

20034313523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162083593 (or 1162083589 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20034313523240 its reverse (4232531343002), we get a palindrome (24266844866242).

The spelling of 20034313523240 in words is "twenty trillion, thirty-four billion, three hundred thirteen million, five hundred twenty-three thousand, two hundred forty".