2002100640 has 96 divisors (see below), whose sum is σ = 6453349056. Its totient is φ = 521472000.

The previous prime is 2002100629. The next prime is 2002100677. The reversal of 2002100640 is 460012002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27861 + ... + 69140.

It is an arithmetic number, because the mean of its divisors is an integer number (67222386).

Almost surely, 2^2002100640 is an apocalyptic number.

2002100640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002100640 is an abundant number, since it is smaller than the sum of its proper divisors (4451248416).

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

2002100640 is a wasteful number, since it uses less digits than its factorization.

2002100640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97062 (or 97054 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002100640 is about 44744.8392554940. The cubic root of 2002100640 is about 1260.3620023095.

Adding to 2002100640 its reverse (460012002), we get a palindrome (2462112642).

The spelling of 2002100640 in words is "two billion, two million, one hundred thousand, six hundred forty".