20648330161498 has 32 divisors (see below), whose sum is σ = 34131407276736. Its totient is φ = 9308175706368.

The previous prime is 20648330161483. The next prime is 20648330161577. The reversal of 20648330161498 is 89416103384602.

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, 62211061 + ... + 62542087.

It is an arithmetic number, because the mean of its divisors is an integer number (1066606477398).

Almost surely, 2^{20648330161498} is an apocalyptic number.

20648330161498 is a deficient number, since it is larger than the sum of its proper divisors (13483077115238).

20648330161498 is a wasteful number, since it uses less digits than its factorization.

20648330161498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386878.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 20648330161498 in words is "twenty trillion, six hundred forty-eight billion, three hundred thirty million, one hundred sixty-one thousand, four hundred ninety-eight".