38552221855020 has 24 divisors (see below), whose sum is σ = 107946221194224. Its totient is φ = 10280592494656.

The previous prime is 38552221855019. The next prime is 38552221855039. The reversal of 38552221855020 is 2055812225583.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321268515399 + ... + 321268515518.

It is an arithmetic number, because the mean of its divisors is an integer number (4497759216426).

Almost surely, 2^{38552221855020} is an apocalyptic number.

38552221855020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38552221855020 is an abundant number, since it is smaller than the sum of its proper divisors (69393999339204).

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

38552221855020 is a wasteful number, since it uses less digits than its factorization.

38552221855020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642537030929 (or 642537030927 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 38552221855020 in words is "thirty-eight trillion, five hundred fifty-two billion, two hundred twenty-one million, eight hundred fifty-five thousand, twenty".