20201121122048 has 36 divisors (see below), whose sum is σ = 40445154538488. Its totient is φ = 10070045230080.

The previous prime is 20201121122047. The next prime is 20201121122087. The reversal of 20201121122048 is 84022112110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201121122047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119115611 + ... + 119285082.

It is an arithmetic number, because the mean of its divisors is an integer number (1123476514958).

Almost surely, 2^{20201121122048} is an apocalyptic number.

It is an amenable number.

20201121122048 is an abundant number, since it is smaller than the sum of its proper divisors (20244033416440).

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

20201121122048 is an equidigital number, since it uses as much as digits as its factorization.

20201121122048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238401040 (or 238401026 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The spelling of 20201121122048 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, forty-eight".