20093604234 has 32 divisors (see below), whose sum is σ = 43935756480. Its totient is φ = 6075753600.

The previous prime is 20093604233. The next prime is 20093604239. The reversal of 20093604234 is 43240639002.

It is a super-2 number, since 2×20093604234² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20093604195 and 20093604204.

It is not an unprimeable number, because it can be changed into a prime (20093604233) 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, 299779 + ... + 360630.

It is an arithmetic number, because the mean of its divisors is an integer number (1372992390).

Almost surely, 2^20093604234 is an apocalyptic number.

20093604234 is an abundant number, since it is smaller than the sum of its proper divisors (23842152246).

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

20093604234 is a wasteful number, since it uses less digits than its factorization.

20093604234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660886.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 20093604234 in words is "twenty billion, ninety-three million, six hundred four thousand, two hundred thirty-four".