20004134052 has 24 divisors (see below), whose sum is σ = 53344357696. Its totient is φ = 5715466848.

The previous prime is 20004133993. The next prime is 20004134071. The reversal of 20004134052 is 25043140002.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 119072143 + ... + 119072310.

Almost surely, 2^20004134052 is an apocalyptic number.

It is an amenable number.

20004134052 is an abundant number, since it is smaller than the sum of its proper divisors (33340223644).

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

20004134052 is a wasteful number, since it uses less digits than its factorization.

20004134052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238144467 (or 238144465 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20004134052 its reverse (25043140002), we get a palindrome (45047274054).

The spelling of 20004134052 in words is "twenty billion, four million, one hundred thirty-four thousand, fifty-two".