1920052818 has 12 divisors (see below), whose sum is σ = 4160114478. Its totient is φ = 640017600.

The previous prime is 1920052763. The next prime is 1920052843. The reversal of 1920052818 is 8182500291.

It can be written as a sum of positive squares in only one way, i.e., 1587464649 + 332588169 = 39843^2 + 18237^2 .

It is a super-2 number, since 2×1920052818² = 7373205647819482248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53334783 + ... + 53334818.

Almost surely, 2^1920052818 is an apocalyptic number.

1920052818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1920052818 is an abundant number, since it is smaller than the sum of its proper divisors (2240061660).

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

1920052818 is a wasteful number, since it uses less digits than its factorization.

1920052818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106669609 (or 106669606 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1920052818 is about 43818.4072964776. The cubic root of 1920052818 is about 1242.9043993469.

The spelling of 1920052818 in words is "one billion, nine hundred twenty million, fifty-two thousand, eight hundred eighteen".