20433004004 has 36 divisors (see below), whose sum is σ = 43411312896. Its totient is φ = 8241880704.

The previous prime is 20433003989. The next prime is 20433004079. The reversal of 20433004004 is 40040033402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254452 + ... + 1270635.

Almost surely, 2^20433004004 is an apocalyptic number.

It is an amenable number.

20433004004 is an abundant number, since it is smaller than the sum of its proper divisors (22978308892).

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

20433004004 is a wasteful number, since it uses less digits than its factorization.

20433004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525132 (or 2525113 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20433004004 its reverse (40040033402), we get a palindrome (60473037406).

The spelling of 20433004004 in words is "twenty billion, four hundred thirty-three million, four thousand, four".