1920136776100 has 27 divisors (see below), whose sum is σ = 4166726873827. Its totient is φ = 768049167680.

The previous prime is 1920136776083. The next prime is 1920136776119. The reversal of 1920136776100 is 16776310291.

The square root of 1920136776100 is 1385690.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2000415076 + 1918136361024 = 44726^2 + 1384968^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13787616 + ... + 13926184.

Almost surely, 2^{1920136776100} is an apocalyptic number.

1920136776100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1920136776100 is the 1385690-th square number.

It is an amenable number.

1920136776100 is an abundant number, since it is smaller than the sum of its proper divisors (2246590097727).

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

1920136776100 is an frugal number, since it uses more digits than its factorization.

1920136776100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277152 (or 138576 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 1920136776100 in words is "one trillion, nine hundred twenty billion, one hundred thirty-six million, seven hundred seventy-six thousand, one hundred".