2168335020 has 48 divisors (see below), whose sum is σ = 6219426528. Its totient is φ = 564119040.

The previous prime is 2168334983. The next prime is 2168335079. The reversal of 2168335020 is 205338612.

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

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, 438259 + ... + 443178.

It is an arithmetic number, because the mean of its divisors is an integer number (129571386).

Almost surely, 2^2168335020 is an apocalyptic number.

2168335020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168335020 is an abundant number, since it is smaller than the sum of its proper divisors (4051091508).

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

2168335020 is a wasteful number, since it uses less digits than its factorization.

2168335020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881490 (or 881488 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2168335020 is about 46565.3843536162. The cubic root of 2168335020 is about 1294.3213888123.

The spelling of 2168335020 in words is "two billion, one hundred sixty-eight million, three hundred thirty-five thousand, twenty".