2385215137020 has 48 divisors (see below), whose sum is σ = 6692903538048. Its totient is φ = 634695355200.

The previous prime is 2385215136961. The next prime is 2385215137027. The reversal of 2385215137020 is 207315125832.

It is a self number, because there is not a number n which added to its sum of digits gives 2385215137020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385215137027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42534706 + ... + 42590745.

It is an arithmetic number, because the mean of its divisors is an integer number (139435490376).

Almost surely, 2^{2385215137020} is an apocalyptic number.

2385215137020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2385215137020 is an abundant number, since it is smaller than the sum of its proper divisors (4307688401028).

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

2385215137020 is a wasteful number, since it uses less digits than its factorization.

2385215137020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85125930 (or 85125928 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 2385215137020 in words is "two trillion, three hundred eighty-five billion, two hundred fifteen million, one hundred thirty-seven thousand, twenty".