20133021012 has 48 divisors (see below), whose sum is σ = 50883168000. Its totient is φ = 6158959488.

The previous prime is 20133020953. The next prime is 20133021019. The reversal of 20133021012 is 21012033102.

It is a junction number, because it is equal to n+sod(n) for n = 20133020982 and 20133021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133021019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346012 + ... + 399987.

It is an arithmetic number, because the mean of its divisors is an integer number (1060066000).

Almost surely, 2^20133021012 is an apocalyptic number.

It is an amenable number.

20133021012 is an abundant number, since it is smaller than the sum of its proper divisors (30750146988).

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

20133021012 is a wasteful number, since it uses less digits than its factorization.

20133021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746192 (or 746190 counting only the distinct ones).

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

Adding to 20133021012 its reverse (21012033102), we get a palindrome (41145054114).

The spelling of 20133021012 in words is "twenty billion, one hundred thirty-three million, twenty-one thousand, twelve".