20356040294 has 8 divisors (see below), whose sum is σ = 30535723440. Its totient is φ = 10177465816.

The previous prime is 20356040147. The next prime is 20356040297. The reversal of 20356040294 is 49204065302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20356040297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229634 + ... + 305685.

It is an arithmetic number, because the mean of its divisors is an integer number (3816965430).

Almost surely, 2^20356040294 is an apocalyptic number.

20356040294 is a deficient number, since it is larger than the sum of its proper divisors (10179683146).

20356040294 is a wasteful number, since it uses less digits than its factorization.

20356040294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554334.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20356040294 in words is "twenty billion, three hundred fifty-six million, forty thousand, two hundred ninety-four".