1620212050 has 24 divisors (see below), whose sum is σ = 3083682096. Its totient is φ = 633012240.

The previous prime is 1620212021. The next prime is 1620212063. The reversal of 1620212050 is 502120261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374644 + ... + 378943.

It is an arithmetic number, because the mean of its divisors is an integer number (128486754).

Almost surely, 2^1620212050 is an apocalyptic number.

1620212050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620212050 is a deficient number, since it is larger than the sum of its proper divisors (1463470046).

1620212050 is a wasteful number, since it uses less digits than its factorization.

1620212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753642 (or 753637 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1620212050 is about 40251.8577211040. The cubic root of 1620212050 is about 1174.5115337991.

The spelling of 1620212050 in words is "one billion, six hundred twenty million, two hundred twelve thousand, fifty".