1202065920 has 800 divisors, whose sum is σ = 5133528576. Its totient is φ = 265420800.

The previous prime is 1202065901. The next prime is 1202065933. The reversal of 1202065920 is 295602021.

1202065920 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 0 + 659 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38776305 + ... + 38776335.

Almost surely, 2^1202065920 is an apocalyptic number.

1202065920 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 1202065920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566764288).

1202065920 is an abundant number, since it is smaller than the sum of its proper divisors (3931462656).

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

1202065920 is a wasteful number, since it uses less digits than its factorization.

1202065920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1202065920 is about 34670.8223150245. The cubic root of 1202065920 is about 1063.2680438900.

Adding to 1202065920 its reverse (295602021), we get a palindrome (1497667941).

The spelling of 1202065920 in words is "one billion, two hundred two million, sixty-five thousand, nine hundred twenty".