20372724334 has 4 divisors (see below), whose sum is σ = 30559086504. Its totient is φ = 10186362166.

The previous prime is 20372724289. The next prime is 20372724343. The reversal of 20372724334 is 43342727302.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20372724293 and 20372724302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093181082 + ... + 5093181085.

It is an arithmetic number, because the mean of its divisors is an integer number (7639771626).

Almost surely, 2^20372724334 is an apocalyptic number.

20372724334 is a deficient number, since it is larger than the sum of its proper divisors (10186362170).

20372724334 is a wasteful number, since it uses less digits than its factorization.

20372724334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186362169.

The product of its (nonzero) digits is 169344, while the sum is 37.

The spelling of 20372724334 in words is "twenty billion, three hundred seventy-two million, seven hundred twenty-four thousand, three hundred thirty-four".