20004176434 has 32 divisors (see below), whose sum is σ = 33821429760. Its totient is φ = 8791318800.

The previous prime is 20004176419. The next prime is 20004176441. The reversal of 20004176434 is 43467140002.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 20004176396 and 20004176405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752827 + ... + 778945.

It is an arithmetic number, because the mean of its divisors is an integer number (1056919680).

Almost surely, 2^20004176434 is an apocalyptic number.

20004176434 is a deficient number, since it is larger than the sum of its proper divisors (13817253326).

20004176434 is a wasteful number, since it uses less digits than its factorization.

20004176434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27286.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 20004176434 in words is "twenty billion, four million, one hundred seventy-six thousand, four hundred thirty-four".