620169650 has 48 divisors (see below), whose sum is σ = 1200592800. Its totient is φ = 238143360.

The previous prime is 620169643. The next prime is 620169659. The reversal of 620169650 is 56961026.

It is a happy number.

620169650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×620169650² = 769220789562245000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620169650.

It is not an unprimeable number, because it can be changed into a prime (620169659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124406 + ... + 129294.

It is an arithmetic number, because the mean of its divisors is an integer number (25012350).

Almost surely, 2^620169650 is an apocalyptic number.

620169650 is a deficient number, since it is larger than the sum of its proper divisors (580423150).

620169650 is a wasteful number, since it uses less digits than its factorization.

620169650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 620169650 is about 24903.2056169482. The cubic root of 620169650 is about 852.7796659005.

The spelling of 620169650 in words is "six hundred twenty million, one hundred sixty-nine thousand, six hundred fifty".