20294626236 has 48 divisors (see below), whose sum is σ = 48745745664. Its totient is φ = 6567958656.

The previous prime is 20294626211. The next prime is 20294626249. The reversal of 20294626236 is 63262649202.

It is a happy number.

It is a congruent number.

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, 31585 + ... + 203928.

It is an arithmetic number, because the mean of its divisors is an integer number (1015536368).

Almost surely, 2^20294626236 is an apocalyptic number.

It is an amenable number.

20294626236 is an abundant number, since it is smaller than the sum of its proper divisors (28451119428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20294626236 is a wasteful number, since it uses less digits than its factorization.

20294626236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235730 (or 235728 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 20294626236 in words is "twenty billion, two hundred ninety-four million, six hundred twenty-six thousand, two hundred thirty-six".