2919516020 has 12 divisors (see below), whose sum is σ = 6130983684. Its totient is φ = 1167806400.

The previous prime is 2919516007. The next prime is 2919516023. The reversal of 2919516020 is 206159192.

It can be written as a sum of positive squares in 2 ways, for example, as 608214244 + 2311301776 = 24662^2 + 48076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919516023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72987881 + ... + 72987920.

It is an arithmetic number, because the mean of its divisors is an integer number (510915307).

Almost surely, 2^2919516020 is an apocalyptic number.

2919516020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2919516020 is an abundant number, since it is smaller than the sum of its proper divisors (3211467664).

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

2919516020 is a wasteful number, since it uses less digits than its factorization.

2919516020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145975810 (or 145975808 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 2919516020 is about 54032.5459329838. The cubic root of 2919516020 is about 1429.2349274384.

The spelling of 2919516020 in words is "two billion, nine hundred nineteen million, five hundred sixteen thousand, twenty".