1220046036 has 48 divisors (see below), whose sum is σ = 3112112640. Its totient is φ = 368932320.

The previous prime is 1220046001. The next prime is 1220046043. The reversal of 1220046036 is 6306400221.

It is a junction number, because it is equal to n+sod(n) for n = 1220045997 and 1220046015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54795 + ... + 73773.

It is an arithmetic number, because the mean of its divisors is an integer number (64835680).

Almost surely, 2^1220046036 is an apocalyptic number.

It is an amenable number.

1220046036 is an abundant number, since it is smaller than the sum of its proper divisors (1892066604).

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

1220046036 is a wasteful number, since it uses less digits than its factorization.

1220046036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484 (or 19482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1220046036 is about 34929.1573903523. The cubic root of 1220046036 is about 1068.5431700986.

Adding to 1220046036 its reverse (6306400221), we get a palindrome (7526446257).

The spelling of 1220046036 in words is "one billion, two hundred twenty million, forty-six thousand, thirty-six".