201001012122020 has 24 divisors (see below), whose sum is σ = 460475045952768. Its totient is φ = 73091277135200.

The previous prime is 201001012122017. The next prime is 201001012122037. The reversal of 201001012122020 is 20221210100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001012121986 and 201001012122004.

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, 456820481876 + ... + 456820482315.

It is an arithmetic number, because the mean of its divisors is an integer number (19186460248032).

Almost surely, 2^{201001012122020} is an apocalyptic number.

201001012122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001012122020 is an abundant number, since it is smaller than the sum of its proper divisors (259474033830748).

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

201001012122020 is a wasteful number, since it uses less digits than its factorization.

201001012122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913640964211 (or 913640964209 counting only the distinct ones).

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

Adding to 201001012122020 its reverse (20221210100102), we get a palindrome (221222222222122).

The spelling of 201001012122020 in words is "two hundred one trillion, one billion, twelve million, one hundred twenty-two thousand, twenty".