1220202496 has 52 divisors (see below), whose sum is σ = 2568697600. Its totient is φ = 577953792.

The previous prime is 1220202491. The next prime is 1220202497. The reversal of 1220202496 is 6942020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220202491) 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, 69985 + ... + 85663.

Almost surely, 2^1220202496 is an apocalyptic number.

1220202496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220202496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284348800).

1220202496 is an abundant number, since it is smaller than the sum of its proper divisors (1348495104).

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

1220202496 is an equidigital number, since it uses as much as digits as its factorization.

1220202496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722 (or 15700 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1220202496 is about 34931.3969946809. The cubic root of 1220202496 is about 1068.5888451833.

The spelling of 1220202496 in words is "one billion, two hundred twenty million, two hundred two thousand, four hundred ninety-six".