2002805031270 has 64 divisors (see below), whose sum is σ = 4937157308160. Its totient is φ = 519592652928.

The previous prime is 2002805031251. The next prime is 2002805031277. The reversal of 2002805031270 is 721305082002.

It is a super-2 number, since 2×2002805031270² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002805031277) by changing a digit.

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, 11192161 + ... + 11369699.

It is an arithmetic number, because the mean of its divisors is an integer number (77143082940).

Almost surely, 2^{2002805031270} is an apocalyptic number.

2002805031270 is an abundant number, since it is smaller than the sum of its proper divisors (2934352276890).

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

2002805031270 is a wasteful number, since it uses less digits than its factorization.

2002805031270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187749.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 2002805031270 in words is "two trillion, two billion, eight hundred five million, thirty-one thousand, two hundred seventy".