2194068520 has 32 divisors (see below), whose sum is σ = 5641891200. Its totient is φ = 752251968.

The previous prime is 2194068427. The next prime is 2194068553. The reversal of 2194068520 is 258604912.

It is a self number, because there is not a number n which added to its sum of digits gives 2194068520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3917700 + ... + 3918259.

It is an arithmetic number, because the mean of its divisors is an integer number (176309100).

Almost surely, 2^2194068520 is an apocalyptic number.

2194068520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2194068520 is an abundant number, since it is smaller than the sum of its proper divisors (3447822680).

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

2194068520 is a wasteful number, since it uses less digits than its factorization.

2194068520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835977 (or 7835973 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2194068520 is about 46840.8851325421. The cubic root of 2194068520 is about 1299.4215414591.

The spelling of 2194068520 in words is "two billion, one hundred ninety-four million, sixty-eight thousand, five hundred twenty".