20351632542541 has 8 divisors (see below), whose sum is σ = 20370729142368. Its totient is φ = 20332542930000.

The previous prime is 20351632542539. The next prime is 20351632542569. The reversal of 20351632542541 is 14524523615302.

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

It is a cyclic number.

It is not a de Polignac number, because 20351632542541 - 2¹ = 20351632542539 is a prime.

It is a super-2 number, since 2×20351632542541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351632542041) 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, 4090386 + ... + 7578556.

It is an arithmetic number, because the mean of its divisors is an integer number (2546341142796).

Almost surely, 2^{20351632542541} is an apocalyptic number.

It is an amenable number.

20351632542541 is a deficient number, since it is larger than the sum of its proper divisors (19096599827).

20351632542541 is a wasteful number, since it uses less digits than its factorization.

20351632542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493643.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 20351632542541 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-two million, five hundred forty-two thousand, five hundred forty-one".