20356740476 has 24 divisors (see below), whose sum is σ = 35842015440. Its totient is φ = 10116271872.

The previous prime is 20356740451. The next prime is 20356740497. The reversal of 20356740476 is 67404765302.

It is a congruent 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, 782291 + ... + 807893.

It is an arithmetic number, because the mean of its divisors is an integer number (1493417310).

Almost surely, 2^20356740476 is an apocalyptic number.

It is an amenable number.

20356740476 is a deficient number, since it is larger than the sum of its proper divisors (15485274964).

20356740476 is a wasteful number, since it uses less digits than its factorization.

20356740476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813 (or 26811 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 20356740476 in words is "twenty billion, three hundred fifty-six million, seven hundred forty thousand, four hundred seventy-six".