20893623770 has 32 divisors (see below), whose sum is σ = 37785436416. Its totient is φ = 8318217600.

The previous prime is 20893623769. The next prime is 20893623797. The reversal of 20893623770 is 7732639802.

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, 2256350 + ... + 2265590.

It is an arithmetic number, because the mean of its divisors is an integer number (1180794888).

Almost surely, 2^20893623770 is an apocalyptic number.

20893623770 is a deficient number, since it is larger than the sum of its proper divisors (16891812646).

20893623770 is a wasteful number, since it uses less digits than its factorization.

20893623770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 20893623770 in words is "twenty billion, eight hundred ninety-three million, six hundred twenty-three thousand, seven hundred seventy".