201022012011020 has 48 divisors (see below), whose sum is σ = 445807642855680. Its totient is φ = 75986109921216.

The previous prime is 201022012011017. The next prime is 201022012011049. The reversal of 201022012011020 is 20110210220102.

It is a junction number, because it is equal to n+sod(n) for n = 201022012010986 and 201022012011004.

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, 2632518290 + ... + 2632594649.

It is an arithmetic number, because the mean of its divisors is an integer number (9287659226160).

Almost surely, 2^{201022012011020} is an apocalyptic number.

201022012011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022012011020 is an abundant number, since it is smaller than the sum of its proper divisors (244785630844660).

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

201022012011020 is a wasteful number, since it uses less digits than its factorization.

201022012011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265113054 (or 5265113052 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201022012011020 its reverse (20110210220102), we get a palindrome (221132222231122).

The spelling of 201022012011020 in words is "two hundred one trillion, twenty-two billion, twelve million, eleven thousand, twenty".