20533241354 has 8 divisors (see below), whose sum is σ = 31304777988. Its totient is φ = 10098315360.

The previous prime is 20533241341. The next prime is 20533241387. The reversal of 20533241354 is 45314233502.

It can be written as a sum of positive squares in 2 ways, for example, as 19607560729 + 925680625 = 140027^2 + 30425^2 .

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

It is a super-2 number, since 2×20533241354² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20533241354.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84152507 + ... + 84152750.

Almost surely, 2^20533241354 is an apocalyptic number.

20533241354 is a deficient number, since it is larger than the sum of its proper divisors (10771536634).

20533241354 is a wasteful number, since it uses less digits than its factorization.

20533241354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168305320.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 20533241354 its reverse (45314233502), we get a palindrome (65847474856).

The spelling of 20533241354 in words is "twenty billion, five hundred thirty-three million, two hundred forty-one thousand, three hundred fifty-four".