20355141501 has 12 divisors (see below), whose sum is σ = 29774047680. Its totient is φ = 13398320520.

The previous prime is 20355141497. The next prime is 20355141517. The reversal of 20355141501 is 10514155302.

20355141501 is a `hidden beast` number, since 20 + 3 + 551 + 41 + 50 + 1 = 666.

It is not a de Polignac number, because 20355141501 - 2² = 20355141497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20355141581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14313735 + ... + 14315156.

It is an arithmetic number, because the mean of its divisors is an integer number (2481170640).

Almost surely, 2^20355141501 is an apocalyptic number.

It is an amenable number.

20355141501 is a deficient number, since it is larger than the sum of its proper divisors (9418906179).

20355141501 is a wasteful number, since it uses less digits than its factorization.

20355141501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28628976 (or 28628973 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 20355141501 its reverse (10514155302), we get a palindrome (30869296803).

The spelling of 20355141501 in words is "twenty billion, three hundred fifty-five million, one hundred forty-one thousand, five hundred one".