20133021004 has 24 divisors (see below), whose sum is σ = 35467534368. Its totient is φ = 9999521280.

The previous prime is 20133020953. The next prime is 20133021019. The reversal of 20133021004 is 40012033102.

It is a happy number.

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, 1073532 + ... + 1092124.

It is an arithmetic number, because the mean of its divisors is an integer number (1477813932).

Almost surely, 2^20133021004 is an apocalyptic number.

It is an amenable number.

20133021004 is a deficient number, since it is larger than the sum of its proper divisors (15334513364).

20133021004 is a wasteful number, since it uses less digits than its factorization.

20133021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385 (or 20383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20133021004 its reverse (40012033102), we get a palindrome (60145054106).

The spelling of 20133021004 in words is "twenty billion, one hundred thirty-three million, twenty-one thousand, four".