20285762894880 has 288 divisors, whose sum is σ = 75551407525440. Its totient is φ = 4560733255680.

The previous prime is 20285762894843. The next prime is 20285762894893. The reversal of 20285762894880 is 8849826758202.

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, 5634870 + ... + 8504309.

It is an arithmetic number, because the mean of its divisors is an integer number (262331276130).

Almost surely, 2^{20285762894880} is an apocalyptic number.

20285762894880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20285762894880 is an abundant number, since it is smaller than the sum of its proper divisors (55265644630560).

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

20285762894880 is a wasteful number, since it uses less digits than its factorization.

20285762894880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139272 (or 14139257 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 69.

The spelling of 20285762894880 in words is "twenty trillion, two hundred eighty-five billion, seven hundred sixty-two million, eight hundred ninety-four thousand, eight hundred eighty".