120205650 has 24 divisors (see below), whose sum is σ = 298110384. Its totient is φ = 32054800.

The previous prime is 120205639. The next prime is 120205661. The reversal of 120205650 is 56502021.

It is an interprime number because it is at equal distance from previous prime (120205639) and next prime (120205661).

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, 400536 + ... + 400835.

It is an arithmetic number, because the mean of its divisors is an integer number (12421266).

Almost surely, 2^120205650 is an apocalyptic number.

120205650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120205650 is an abundant number, since it is smaller than the sum of its proper divisors (177904734).

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

120205650 is a wasteful number, since it uses less digits than its factorization.

120205650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801386 (or 801381 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120205650 is about 10963.8337273054. The cubic root of 120205650 is about 493.5240187906.

Adding to 120205650 its reverse (56502021), we get a palindrome (176707671).

The spelling of 120205650 in words is "one hundred twenty million, two hundred five thousand, six hundred fifty".