20401041034144 has 24 divisors (see below), whose sum is σ = 40179267388260. Its totient is φ = 10196782649856.

The previous prime is 20401041034123. The next prime is 20401041034163. The reversal of 20401041034144 is 44143014010402.

It can be written as a sum of positive squares in 2 ways, for example, as 18917175974544 + 1483865059600 = 4349388^2 + 1218140^2 .

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, 116719659 + ... + 116894314.

Almost surely, 2^{20401041034144} is an apocalyptic number.

It is an amenable number.

20401041034144 is a deficient number, since it is larger than the sum of its proper divisors (19778226354116).

20401041034144 is a wasteful number, since it uses less digits than its factorization.

20401041034144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233616712 (or 233616704 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20401041034144 its reverse (44143014010402), we get a palindrome (64544055044546).

The spelling of 20401041034144 in words is "twenty trillion, four hundred one billion, forty-one million, thirty-four thousand, one hundred forty-four".