20124641541 has 8 divisors (see below), whose sum is σ = 26833901920. Its totient is φ = 13415904432.

The previous prime is 20124641513. The next prime is 20124641543. The reversal of 20124641541 is 14514642102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20124641541 - 2⁶ = 20124641477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20124641499 and 20124641508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124641543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29971 + ... + 202848.

It is an arithmetic number, because the mean of its divisors is an integer number (3354237740).

Almost surely, 2^20124641541 is an apocalyptic number.

It is an amenable number.

20124641541 is a deficient number, since it is larger than the sum of its proper divisors (6709260379).

20124641541 is a wasteful number, since it uses less digits than its factorization.

20124641541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261635.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 20124641541 in words is "twenty billion, one hundred twenty-four million, six hundred forty-one thousand, five hundred forty-one".