20604420460446 has 16 divisors (see below), whose sum is σ = 41262428499600. Its totient is φ = 6859208890368.

The previous prime is 20604420460427. The next prime is 20604420460483. The reversal of 20604420460446 is 64406402440602.

It is a junction number, because it is equal to n+sod(n) for n = 20604420460398 and 20604420460407.

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, 2232810781 + ... + 2232820008.

It is an arithmetic number, because the mean of its divisors is an integer number (2578901781225).

Almost surely, 2^{20604420460446} is an apocalyptic number.

20604420460446 is an abundant number, since it is smaller than the sum of its proper divisors (20658008039154).

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

20604420460446 is a wasteful number, since it uses less digits than its factorization.

20604420460446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465631563.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 20604420460446 in words is "twenty trillion, six hundred four billion, four hundred twenty million, four hundred sixty thousand, four hundred forty-six".