1220197432 has 16 divisors (see below), whose sum is σ = 2289326760. Its totient is φ = 609710304.

The previous prime is 1220197421. The next prime is 1220197439. The reversal of 1220197432 is 2347910221.

It is a junction number, because it is equal to n+sod(n) for n = 1220197394 and 1220197403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220197439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34978 + ... + 60529.

Almost surely, 2^1220197432 is an apocalyptic number.

It is an amenable number.

1220197432 is a deficient number, since it is larger than the sum of its proper divisors (1069129328).

1220197432 is a wasteful number, since it uses less digits than its factorization.

1220197432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97110 (or 97106 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1220197432 is about 34931.3245096718. The cubic root of 1220197432 is about 1068.5873669201.

The spelling of 1220197432 in words is "one billion, two hundred twenty million, one hundred ninety-seven thousand, four hundred thirty-two".