20283031819320 has 32 divisors (see below), whose sum is σ = 60849095458320. Its totient is φ = 5408808485120.

The previous prime is 20283031819283. The next prime is 20283031819331. The reversal of 20283031819320 is 2391813038202.

It is a super-3 number, since 3×20283031819320³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84512632461 + ... + 84512632700.

Almost surely, 2^{20283031819320} is an apocalyptic number.

20283031819320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20283031819320 is an abundant number, since it is smaller than the sum of its proper divisors (40566063639000).

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

20283031819320 is a wasteful number, since it uses less digits than its factorization.

20283031819320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169025265175 (or 169025265171 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 20283031819320 in words is "twenty trillion, two hundred eighty-three billion, thirty-one million, eight hundred nineteen thousand, three hundred twenty".