1920634030 has 16 divisors (see below), whose sum is σ = 3951018720. Its totient is φ = 658503072.

The previous prime is 1920633997. The next prime is 1920634039. The reversal of 1920634030 is 304360291.

It is a self number, because there is not a number n which added to its sum of digits gives 1920634030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920634039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13718745 + ... + 13718884.

It is an arithmetic number, because the mean of its divisors is an integer number (246938670).

Almost surely, 2^1920634030 is an apocalyptic number.

1920634030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1920634030 is an abundant number, since it is smaller than the sum of its proper divisors (2030384690).

1920634030 is a wasteful number, since it uses less digits than its factorization.

1920634030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27437643.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1920634030 is about 43825.0388476725. The cubic root of 1920634030 is about 1243.0297983406.

The spelling of 1920634030 in words is "one billion, nine hundred twenty million, six hundred thirty-four thousand, thirty".