1602070820 has 96 divisors (see below), whose sum is σ = 4094737920. Its totient is φ = 513976320.

The previous prime is 1602070763. The next prime is 1602070829. The reversal of 1602070820 is 280702061.

It is a self number, because there is not a number n which added to its sum of digits gives 1602070820.

It is not an unprimeable number, because it can be changed into a prime (1602070829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428921 + ... + 432639.

It is an arithmetic number, because the mean of its divisors is an integer number (42653520).

Almost surely, 2^1602070820 is an apocalyptic number.

1602070820 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 1602070820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047368960).

1602070820 is an abundant number, since it is smaller than the sum of its proper divisors (2492667100).

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

1602070820 is a wasteful number, since it uses less digits than its factorization.

1602070820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1602070820 is about 40025.8768798386. The cubic root of 1602070820 is about 1170.1114706174. Note that the first 3 decimals are identical.

Adding to 1602070820 its reverse (280702061), we get a palindrome (1882772881).

The spelling of 1602070820 in words is "one billion, six hundred two million, seventy thousand, eight hundred twenty".