2028217352380 has 12 divisors (see below), whose sum is σ = 4259256440040. Its totient is φ = 811286940944.

The previous prime is 2028217352341. The next prime is 2028217352387. The reversal of 2028217352380 is 832537128202.

It is a super-2 number, since 2×2028217352380² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028217352387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50705433790 + ... + 50705433829.

It is an arithmetic number, because the mean of its divisors is an integer number (354938036670).

Almost surely, 2^{2028217352380} is an apocalyptic number.

2028217352380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028217352380 is an abundant number, since it is smaller than the sum of its proper divisors (2231039087660).

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

2028217352380 is a wasteful number, since it uses less digits than its factorization.

2028217352380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101410867628 (or 101410867626 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 2028217352380 in words is "two trillion, twenty-eight billion, two hundred seventeen million, three hundred fifty-two thousand, three hundred eighty".