20035354240 has 96 divisors (see below), whose sum is σ = 52647339780. Its totient is φ = 7285555200.

The previous prime is 20035354237. The next prime is 20035354259. The reversal of 20035354240 is 4245353002.

It can be written as a sum of positive squares in 2 ways, for example, as 19998485056 + 36869184 = 141416^2 + 6072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20035354199 and 20035354208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51921 + ... + 206800.

Almost surely, 2^20035354240 is an apocalyptic number.

20035354240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035354240 is an abundant number, since it is smaller than the sum of its proper divisors (32611985540).

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

20035354240 is a wasteful number, since it uses less digits than its factorization.

20035354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258762 (or 258739 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 20035354240 in words is "twenty billion, thirty-five million, three hundred fifty-four thousand, two hundred forty".