1996576020 has 48 divisors (see below), whose sum is σ = 6211571520. Its totient is φ = 532420128.

The previous prime is 1996576009. The next prime is 1996576063. The reversal of 1996576020 is 206756991.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848142 + ... + 1849221.

It is an arithmetic number, because the mean of its divisors is an integer number (129407740).

Almost surely, 2^1996576020 is an apocalyptic number.

1996576020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1996576020 is an abundant number, since it is smaller than the sum of its proper divisors (4214995500).

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

1996576020 is a wasteful number, since it uses less digits than its factorization.

1996576020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697381 (or 3697373 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1996576020 is about 44683.0618915043. The cubic root of 1996576020 is about 1259.2016484565.

The spelling of 1996576020 in words is "one billion, nine hundred ninety-six million, five hundred seventy-six thousand, twenty".