20401554624153 has 24 divisors (see below), whose sum is σ = 27395555613888. Its totient is φ = 13504972580928.

The previous prime is 20401554624151. The next prime is 20401554624173. The reversal of 20401554624153 is 35142645510402.

It is not a de Polignac number, because 20401554624153 - 2¹ = 20401554624151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20401554624151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193295751 + ... + 193401267.

It is an arithmetic number, because the mean of its divisors is an integer number (1141481483912).

Almost surely, 2^{20401554624153} is an apocalyptic number.

It is an amenable number.

20401554624153 is a deficient number, since it is larger than the sum of its proper divisors (6994000989735).

20401554624153 is a wasteful number, since it uses less digits than its factorization.

20401554624153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108721 (or 108572 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 20401554624153 in words is "twenty trillion, four hundred one billion, five hundred fifty-four million, six hundred twenty-four thousand, one hundred fifty-three".