201033223020 has 144 divisors (see below), whose sum is σ = 701929562880. Its totient is φ = 45619832448.

The previous prime is 201033222997. The next prime is 201033223021. The reversal of 201033223020 is 20322330102.

It is a happy number.

201033223020 is a `hidden beast` number, since 20 + 10 + 332 + 2 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201033222984 and 201033223002.

It is not an unprimeable number, because it can be changed into a prime (201033223021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398782 + ... + 749061.

Almost surely, 2^201033223020 is an apocalyptic number.

201033223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201033223020 is an abundant number, since it is smaller than the sum of its proper divisors (500896339860).

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

201033223020 is a wasteful number, since it uses less digits than its factorization.

201033223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148004 (or 1147999 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 201033223020 its reverse (20322330102), we get a palindrome (221355553122).

The spelling of 201033223020 in words is "two hundred one billion, thirty-three million, two hundred twenty-three thousand, twenty".