201201001011020 has 24 divisors (see below), whose sum is σ = 422551943956800. Its totient is φ = 80474716245632.

The previous prime is 201201001010983. The next prime is 201201001011041. The reversal of 201201001011020 is 20110100102102.

It is a super-2 number, since 2×201201001011020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201201001010992 and 201201001011010.

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, 354969665 + ... + 355536024.

It is an arithmetic number, because the mean of its divisors is an integer number (17606330998200).

Almost surely, 2^{201201001011020} is an apocalyptic number.

201201001011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201001011020 is an abundant number, since it is smaller than the sum of its proper divisors (221350942945780).

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

201201001011020 is a wasteful number, since it uses less digits than its factorization.

201201001011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710519857 (or 710519855 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201201001011020 its reverse (20110100102102), we get a palindrome (221311101113122).

The spelling of 201201001011020 in words is "two hundred one trillion, two hundred one billion, one million, eleven thousand, twenty".