20210143554144 has 36 divisors (see below), whose sum is σ = 57472595732916. Its totient is φ = 6736714517952.

The previous prime is 20210143554131. The next prime is 20210143554187. The reversal of 20210143554144 is 44145534101202.

20210143554144 is a `hidden beast` number, since 2 + 0 + 2 + 101 + 4 + 3 + 5 + 541 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20210143554099 and 20210143554108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35087054494 + ... + 35087055069.

It is an arithmetic number, because the mean of its divisors is an integer number (1596460992581).

Almost surely, 2^{20210143554144} is an apocalyptic number.

20210143554144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20210143554144 is an abundant number, since it is smaller than the sum of its proper divisors (37262452178772).

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

20210143554144 is a wasteful number, since it uses less digits than its factorization.

20210143554144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70174109579 (or 70174109568 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 20210143554144 its reverse (44145534101202), we get a palindrome (64355677655346).

The spelling of 20210143554144 in words is "twenty trillion, two hundred ten billion, one hundred forty-three million, five hundred fifty-four thousand, one hundred forty-four".