1920364620 has 48 divisors (see below), whose sum is σ = 5416292448. Its totient is φ = 508357120.

The previous prime is 1920364603. The next prime is 1920364643. The reversal of 1920364620 is 264630291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108591 + ... + 125030.

It is an arithmetic number, because the mean of its divisors is an integer number (112839426).

Almost surely, 2^1920364620 is an apocalyptic number.

1920364620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1920364620 is an abundant number, since it is smaller than the sum of its proper divisors (3495927828).

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

1920364620 is a wasteful number, since it uses less digits than its factorization.

1920364620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233770 (or 233768 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1920364620 is about 43821.9650403767. The cubic root of 1920364620 is about 1242.9716751180.

The spelling of 1920364620 in words is "one billion, nine hundred twenty million, three hundred sixty-four thousand, six hundred twenty".