387051755020 has 24 divisors (see below), whose sum is σ = 928924212384. Its totient is φ = 132703458816.

The previous prime is 387051755011. The next prime is 387051755029. The reversal of 387051755020 is 20557150783.

It is an interprime number because it is at equal distance from previous prime (387051755011) and next prime (387051755029).

It is a super-2 number, since 2×387051755020² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387051755029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382327557 + ... + 1382327836.

It is an arithmetic number, because the mean of its divisors is an integer number (38705175516).

Almost surely, 2^387051755020 is an apocalyptic number.

It is an amenable number.

387051755020 is an abundant number, since it is smaller than the sum of its proper divisors (541872457364).

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

387051755020 is a wasteful number, since it uses less digits than its factorization.

387051755020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764655409 (or 2764655407 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 387051755020 in words is "three hundred eighty-seven billion, fifty-one million, seven hundred fifty-five thousand, twenty".