20100154141542 has 64 divisors (see below), whose sum is σ = 43987863988224. Its totient is φ = 6095601630720.

The previous prime is 20100154141531. The next prime is 20100154141591. The reversal of 20100154141542 is 24514145100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807493 + ... + 6391584.

It is an arithmetic number, because the mean of its divisors is an integer number (687310374816).

Almost surely, 2^{20100154141542} is an apocalyptic number.

20100154141542 is an abundant number, since it is smaller than the sum of its proper divisors (23887709846682).

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

20100154141542 is a wasteful number, since it uses less digits than its factorization.

20100154141542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200013.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 20100154141542 its reverse (24514145100102), we get a palindrome (44614299241644).

The spelling of 20100154141542 in words is "twenty trillion, one hundred billion, one hundred fifty-four million, one hundred forty-one thousand, five hundred forty-two".