1220359908 has 24 divisors (see below), whose sum is σ = 2854837440. Its totient is φ = 405739360.

The previous prime is 1220359879. The next prime is 1220359951. The reversal of 1220359908 is 8099530221.

1220359908 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126048 + ... + 135383.

It is an arithmetic number, because the mean of its divisors is an integer number (118951560).

Almost surely, 2^1220359908 is an apocalyptic number.

It is an amenable number.

1220359908 is an abundant number, since it is smaller than the sum of its proper divisors (1634477532).

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

1220359908 is a wasteful number, since it uses less digits than its factorization.

1220359908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261827 (or 261825 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1220359908 is about 34933.6500812612. The cubic root of 1220359908 is about 1068.6347942437.

The spelling of 1220359908 in words is "one billion, two hundred twenty million, three hundred fifty-nine thousand, nine hundred eight".