20033001012 has 24 divisors (see below), whose sum is σ = 48776003136. Its totient is φ = 6387333568.

The previous prime is 20033001007. The next prime is 20033001013. The reversal of 20033001012 is 21010033002.

It is a happy number.

It is a super-2 number, since 2×20033001012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033001013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36291393 + ... + 36291944.

It is an arithmetic number, because the mean of its divisors is an integer number (2032333464).

Almost surely, 2^20033001012 is an apocalyptic number.

It is an amenable number.

20033001012 is an abundant number, since it is smaller than the sum of its proper divisors (28743002124).

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

20033001012 is a wasteful number, since it uses less digits than its factorization.

20033001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72583367 (or 72583365 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20033001012 its reverse (21010033002), we get a palindrome (41043034014).

The spelling of 20033001012 in words is "twenty billion, thirty-three million, one thousand, twelve".