20852433338 has 8 divisors (see below), whose sum is σ = 34122163680. Its totient is φ = 9478378780.

The previous prime is 20852433311. The next prime is 20852433353. The reversal of 20852433338 is 83333425802.

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

It is a super-2 number, since 2×20852433338² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20852433295 and 20852433304.

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, 473918918 + ... + 473918961.

It is an arithmetic number, because the mean of its divisors is an integer number (4265270460).

Almost surely, 2^20852433338 is an apocalyptic number.

20852433338 is a deficient number, since it is larger than the sum of its proper divisors (13269730342).

20852433338 is a wasteful number, since it uses less digits than its factorization.

20852433338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947837892.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 20852433338 in words is "twenty billion, eight hundred fifty-two million, four hundred thirty-three thousand, three hundred thirty-eight".