20355103263020 has 48 divisors (see below), whose sum is σ = 42907130548128. Its totient is φ = 8111309752320.

The previous prime is 20355103263013. The next prime is 20355103263091. The reversal of 20355103263020 is 2036230155302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23096060 + ... + 23961180.

It is an arithmetic number, because the mean of its divisors is an integer number (893898553086).

Almost surely, 2^{20355103263020} is an apocalyptic number.

20355103263020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20355103263020 is an abundant number, since it is smaller than the sum of its proper divisors (22552027285108).

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

20355103263020 is a wasteful number, since it uses less digits than its factorization.

20355103263020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869570 (or 869568 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 20355103263020 in words is "twenty trillion, three hundred fifty-five billion, one hundred three million, two hundred sixty-three thousand, twenty".