20354071136604 has 48 divisors (see below), whose sum is σ = 48506281463808. Its totient is φ = 6639929614528.

The previous prime is 20354071136593. The next prime is 20354071136617. The reversal of 20354071136604 is 40663117045302.

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, 8207989 + ... + 10396115.

It is an arithmetic number, because the mean of its divisors is an integer number (1010547530496).

Almost surely, 2^{20354071136604} is an apocalyptic number.

It is an amenable number.

20354071136604 is an abundant number, since it is smaller than the sum of its proper divisors (28152210327204).

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

20354071136604 is a wasteful number, since it uses less digits than its factorization.

20354071136604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204674 (or 2204672 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20354071136604 in words is "twenty trillion, three hundred fifty-four billion, seventy-one million, one hundred thirty-six thousand, six hundred four".