1220533150 has 48 divisors (see below), whose sum is σ = 2353911840. Its totient is φ = 470288000.

The previous prime is 1220533123. The next prime is 1220533183. The reversal of 1220533150 is 513350221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937500 + ... + 938800.

It is an arithmetic number, because the mean of its divisors is an integer number (49039830).

Almost surely, 2^1220533150 is an apocalyptic number.

1220533150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220533150 is a deficient number, since it is larger than the sum of its proper divisors (1133378690).

1220533150 is a wasteful number, since it uses less digits than its factorization.

1220533150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1220533150 is about 34936.1295795628. The cubic root of 1220533150 is about 1068.6853595641.

Adding to 1220533150 its reverse (513350221), we get a palindrome (1733883371).

The spelling of 1220533150 in words is "one billion, two hundred twenty million, five hundred thirty-three thousand, one hundred fifty".