20838331045 has 8 divisors (see below), whose sum is σ = 28578282624. Its totient is φ = 14289141264.

The previous prime is 20838331027. The next prime is 20838331049. The reversal of 20838331045 is 54013383802.

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 20838331045 - 2⁵ = 20838331013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20838330995 and 20838331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20838331049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297690409 + ... + 297690478.

It is an arithmetic number, because the mean of its divisors is an integer number (3572285328).

Almost surely, 2^20838331045 is an apocalyptic number.

It is an amenable number.

20838331045 is a deficient number, since it is larger than the sum of its proper divisors (7739951579).

20838331045 is an equidigital number, since it uses as much as digits as its factorization.

20838331045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595380899.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20838331045 in words is "twenty billion, eight hundred thirty-eight million, three hundred thirty-one thousand, forty-five".