20353432414021 has 8 divisors (see below), whose sum is σ = 23262244205760. Its totient is φ = 17444915269728.

The previous prime is 20353432413967. The next prime is 20353432414061. The reversal of 20353432414021 is 12041423435302.

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 20353432414021 - 2²⁷ = 20353298196293 is a prime.

It is a super-2 number, since 2×20353432414021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353432414061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73513816 + ... + 73790161.

It is an arithmetic number, because the mean of its divisors is an integer number (2907780525720).

Almost surely, 2^{20353432414021} is an apocalyptic number.

It is an amenable number.

20353432414021 is a deficient number, since it is larger than the sum of its proper divisors (2908811791739).

20353432414021 is a wasteful number, since it uses less digits than its factorization.

20353432414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147323723.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20353432414021 its reverse (12041423435302), we get a palindrome (32394855849323).

The spelling of 20353432414021 in words is "twenty trillion, three hundred fifty-three billion, four hundred thirty-two million, four hundred fourteen thousand, twenty-one".