20636711330 has 32 divisors (see below), whose sum is σ = 37472993280. Its totient is φ = 8182157760.

The previous prime is 20636711299. The next prime is 20636711341. The reversal of 20636711330 is 3311763602.

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, 1492991 + ... + 1506749.

It is an arithmetic number, because the mean of its divisors is an integer number (1171031040).

Almost surely, 2^20636711330 is an apocalyptic number.

20636711330 is a deficient number, since it is larger than the sum of its proper divisors (16836281950).

20636711330 is a wasteful number, since it uses less digits than its factorization.

20636711330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 20636711330 in words is "twenty billion, six hundred thirty-six million, seven hundred eleven thousand, three hundred thirty".