30556355222020 has 48 divisors (see below), whose sum is σ = 65922229695168. Its totient is φ = 11890733904000.

The previous prime is 30556355221991. The next prime is 30556355222027. The reversal of 30556355222020 is 2022255365503.

It is not an unprimeable number, because it can be changed into a prime (30556355222027) 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, 70562319 + ... + 70994038.

It is an arithmetic number, because the mean of its divisors is an integer number (1373379785316).

Almost surely, 2^{30556355222020} is an apocalyptic number.

It is an amenable number.

30556355222020 is an abundant number, since it is smaller than the sum of its proper divisors (35365874473148).

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

30556355222020 is a wasteful number, since it uses less digits than its factorization.

30556355222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141556660 (or 141556658 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 30556355222020 in words is "thirty trillion, five hundred fifty-six billion, three hundred fifty-five million, two hundred twenty-two thousand, twenty".