1202881920 has 256 divisors, whose sum is σ = 4104561600. Its totient is φ = 298582016.

The previous prime is 1202881919. The next prime is 1202881943. The reversal of 1202881920 is 291882021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4471546 + ... + 4471814.

Almost surely, 2^1202881920 is an apocalyptic number.

1202881920 is a gapful number since it is divisible by the number (10) 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 1202881920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052280800).

1202881920 is an abundant number, since it is smaller than the sum of its proper divisors (2901679680).

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

1202881920 is a wasteful number, since it uses less digits than its factorization.

1202881920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1202881920 is about 34682.5881387188. The cubic root of 1202881920 is about 1063.5085826878.

The spelling of 1202881920 in words is "one billion, two hundred two million, eight hundred eighty-one thousand, nine hundred twenty".