201101323020 has 96 divisors (see below), whose sum is σ = 627308176320. Its totient is φ = 47794897920.

The previous prime is 201101322971. The next prime is 201101323057. The reversal of 201101323020 is 20323101102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4422591 + ... + 4467830.

It is an arithmetic number, because the mean of its divisors is an integer number (6534460170).

Almost surely, 2^201101323020 is an apocalyptic number.

201101323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101323020 is an abundant number, since it is smaller than the sum of its proper divisors (426206853300).

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

201101323020 is a wasteful number, since it uses less digits than its factorization.

201101323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890475 (or 8890473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201101323020 its reverse (20323101102), we get a palindrome (221424424122).

The spelling of 201101323020 in words is "two hundred one billion, one hundred one million, three hundred twenty-three thousand, twenty".