20803172230 has 16 divisors (see below), whose sum is σ = 37447588944. Its totient is φ = 8320851360.

The previous prime is 20803172209. The next prime is 20803172237. The reversal of 20803172230 is 3227130802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20803172237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229429 + ... + 306991.

It is an arithmetic number, because the mean of its divisors is an integer number (2340474309).

Almost surely, 2^20803172230 is an apocalyptic number.

20803172230 is a deficient number, since it is larger than the sum of its proper divisors (16644416714).

20803172230 is a wasteful number, since it uses less digits than its factorization.

20803172230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104391.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 20803172230 in words is "twenty billion, eight hundred three million, one hundred seventy-two thousand, two hundred thirty".