1990772300 has 36 divisors (see below), whose sum is σ = 4712703576. Its totient is φ = 723916800.

The previous prime is 1990772293. The next prime is 1990772321. The reversal of 1990772300 is 32770991.

It is a super-3 number, since 3×1990772300³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903797 + ... + 905996.

Almost surely, 2^1990772300 is an apocalyptic number.

1990772300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1990772300 is an abundant number, since it is smaller than the sum of its proper divisors (2721931276).

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

1990772300 is a wasteful number, since it uses less digits than its factorization.

1990772300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809818 (or 1809811 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 1990772300 is about 44618.0714509267. The cubic root of 1990772300 is about 1257.9803665750.

The spelling of 1990772300 in words is "one billion, nine hundred ninety million, seven hundred seventy-two thousand, three hundred".