20350667236 has 24 divisors (see below), whose sum is σ = 36304450560. Its totient is φ = 9979468800.

The previous prime is 20350667213. The next prime is 20350667243. The reversal of 20350667236 is 63276605302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133341 + ... + 241828.

It is an arithmetic number, because the mean of its divisors is an integer number (1512685440).

Almost surely, 2^20350667236 is an apocalyptic number.

It is an amenable number.

20350667236 is a deficient number, since it is larger than the sum of its proper divisors (15953783324).

20350667236 is a wasteful number, since it uses less digits than its factorization.

20350667236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375435 (or 375433 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 20350667236 in words is "twenty billion, three hundred fifty million, six hundred sixty-seven thousand, two hundred thirty-six".