20252941906 has 8 divisors (see below), whose sum is σ = 30385240560. Its totient is φ = 10124528388.

The previous prime is 20252941873. The next prime is 20252941931. The reversal of 20252941906 is 60914925202.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 958216 + ... + 979123.

It is an arithmetic number, because the mean of its divisors is an integer number (3798155070).

Almost surely, 2^20252941906 is an apocalyptic number.

20252941906 is a deficient number, since it is larger than the sum of its proper divisors (10132298654).

20252941906 is a wasteful number, since it uses less digits than its factorization.

20252941906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942568.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 20252941906 in words is "twenty billion, two hundred fifty-two million, nine hundred forty-one thousand, nine hundred six".