20413154464148 has 6 divisors (see below), whose sum is σ = 35723020312266. Its totient is φ = 10206577232072.

The previous prime is 20413154464147. The next prime is 20413154464163. The reversal of 20413154464148 is 84146445131402.

It can be written as a sum of positive squares in only one way, i.e., 12890268451204 + 7522886012944 = 3590302^2 + 2742788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413154464147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551644308015 + ... + 2551644308022.

It is an arithmetic number, because the mean of its divisors is an integer number (5953836718711).

Almost surely, 2^{20413154464148} is an apocalyptic number.

It is an amenable number.

20413154464148 is a deficient number, since it is larger than the sum of its proper divisors (15309865848118).

20413154464148 is a wasteful number, since it uses less digits than its factorization.

20413154464148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103288616041 (or 5103288616039 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 20413154464148 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty-four thousand, one hundred forty-eight".