20545926107 has 16 divisors (see below), whose sum is σ = 23711588352. Its totient is φ = 17438051520.

The previous prime is 20545926101. The next prime is 20545926131. The reversal of 20545926107 is 70162954502.

It is a cyclic number.

It is not a de Polignac number, because 20545926107 - 2⁴ = 20545926091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20545926101) 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 15 ways as a sum of consecutive naturals, for example, 2026982 + ... + 2037092.

It is an arithmetic number, because the mean of its divisors is an integer number (1481974272).

Almost surely, 2^20545926107 is an apocalyptic number.

20545926107 is a deficient number, since it is larger than the sum of its proper divisors (3165662245).

20545926107 is a wasteful number, since it uses less digits than its factorization.

20545926107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 20545926107 in words is "twenty billion, five hundred forty-five million, nine hundred twenty-six thousand, one hundred seven".