20125520241 has 16 divisors (see below), whose sum is σ = 27521424000. Its totient is φ = 13076668800.

The previous prime is 20125520231. The next prime is 20125520243. The reversal of 20125520241 is 14202552102.

It is not a de Polignac number, because 20125520241 - 2¹⁴ = 20125503857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20125520243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395116 + ... + 443133.

It is an arithmetic number, because the mean of its divisors is an integer number (1720089000).

Almost surely, 2^20125520241 is an apocalyptic number.

It is an amenable number.

20125520241 is a deficient number, since it is larger than the sum of its proper divisors (7395903759).

20125520241 is a wasteful number, since it uses less digits than its factorization.

20125520241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838456.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 20125520241 in words is "twenty billion, one hundred twenty-five million, five hundred twenty thousand, two hundred forty-one".