20331028850000 has 240 divisors, whose sum is σ = 56539044394560. Its totient is φ = 7003987200000.

The previous prime is 20331028849979. The next prime is 20331028850003. The reversal of 20331028850000 is 5882013302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331028850003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9477224 + ... + 11422776.

It is an arithmetic number, because the mean of its divisors is an integer number (235579351644).

Almost surely, 2^{20331028850000} is an apocalyptic number.

20331028850000 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 20331028850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28269522197280).

20331028850000 is an abundant number, since it is smaller than the sum of its proper divisors (36208015544560).

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

20331028850000 is a wasteful number, since it uses less digits than its factorization.

20331028850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945616 (or 1945590 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 20331028850000 in words is "twenty trillion, three hundred thirty-one billion, twenty-eight million, eight hundred fifty thousand".