2056603330020 has 48 divisors (see below), whose sum is σ = 5881010381568. Its totient is φ = 536758882560.

The previous prime is 2056603329953. The next prime is 2056603330021. The reversal of 2056603330020 is 200333066502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 2056603330020.

It is not an unprimeable number, because it can be changed into a prime (2056603330021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364643161 + ... + 364648800.

It is an arithmetic number, because the mean of its divisors is an integer number (122521049616).

Almost surely, 2^{2056603330020} is an apocalyptic number.

2056603330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056603330020 is an abundant number, since it is smaller than the sum of its proper divisors (3824407051548).

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

2056603330020 is a wasteful number, since it uses less digits than its factorization.

2056603330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729292020 (or 729292018 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 2056603330020 its reverse (200333066502), we get a palindrome (2256936396522).

The spelling of 2056603330020 in words is "two trillion, fifty-six billion, six hundred three million, three hundred thirty thousand, twenty".