20261447160146 has 8 divisors (see below), whose sum is σ = 30412021934064. Its totient is φ = 10124106515460.

The previous prime is 20261447160137. The next prime is 20261447160247. The reversal of 20261447160146 is 64106174416202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20261447160097 and 20261447160106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3308528480 + ... + 3308534603.

It is an arithmetic number, because the mean of its divisors is an integer number (3801502741758).

Almost surely, 2^{20261447160146} is an apocalyptic number.

20261447160146 is a deficient number, since it is larger than the sum of its proper divisors (10150574773918).

20261447160146 is a wasteful number, since it uses less digits than its factorization.

20261447160146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617064616.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 20261447160146 in words is "twenty trillion, two hundred sixty-one billion, four hundred forty-seven million, one hundred sixty thousand, one hundred forty-six".