20832151243 has 8 divisors (see below), whose sum is σ = 21107334080. Its totient is φ = 20557255680.

The previous prime is 20832151211. The next prime is 20832151253. The reversal of 20832151243 is 34215123802.

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 20832151243 - 2⁵ = 20832151211 is a prime.

It is a super-2 number, since 2×20832151243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20832151253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76171 + ... + 217867.

It is an arithmetic number, because the mean of its divisors is an integer number (2638416760).

Almost surely, 2^20832151243 is an apocalyptic number.

20832151243 is a deficient number, since it is larger than the sum of its proper divisors (275182837).

20832151243 is a wasteful number, since it uses less digits than its factorization.

20832151243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143637.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20832151243 in words is "twenty billion, eight hundred thirty-two million, one hundred fifty-one thousand, two hundred forty-three".