3020991432228 has 384 divisors, whose sum is σ = 9991747584000. Its totient is φ = 782496288000.

The previous prime is 3020991432161. The next prime is 3020991432259. The reversal of 3020991432228 is 8222341990203.

3020991432228 is a `hidden beast` number, since 3 + 0 + 209 + 9 + 1 + 432 + 2 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 149536528 + ... + 149556728.

It is an arithmetic number, because the mean of its divisors is an integer number (26020176000).

Almost surely, 2^{3020991432228} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020991432228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4995873792000).

3020991432228 is an abundant number, since it is smaller than the sum of its proper divisors (6970756151772).

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

3020991432228 is a wasteful number, since it uses less digits than its factorization.

3020991432228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20613 (or 20591 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 3020991432228 in words is "three trillion, twenty billion, nine hundred ninety-one million, four hundred thirty-two thousand, two hundred twenty-eight".