2102552434020 has 96 divisors (see below), whose sum is σ = 6046901715456. Its totient is φ = 545469120000.

The previous prime is 2102552434013. The next prime is 2102552434043. The reversal of 2102552434020 is 204342552012.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23267125 + ... + 23357315.

It is an arithmetic number, because the mean of its divisors is an integer number (62988559536).

Almost surely, 2^{2102552434020} is an apocalyptic number.

2102552434020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102552434020 is an abundant number, since it is smaller than the sum of its proper divisors (3944349281436).

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

2102552434020 is a wasteful number, since it uses less digits than its factorization.

2102552434020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100741 (or 100739 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 2102552434020 its reverse (204342552012), we get a palindrome (2306894986032).

The spelling of 2102552434020 in words is "two trillion, one hundred two billion, five hundred fifty-two million, four hundred thirty-four thousand, twenty".