20122645026 has 16 divisors (see below), whose sum is σ = 43903952928. Its totient is φ = 6097771200.

The previous prime is 20122645013. The next prime is 20122645033. The reversal of 20122645026 is 62054622102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122644984 and 20122645002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152444215 + ... + 152444346.

It is an arithmetic number, because the mean of its divisors is an integer number (2743997058).

Almost surely, 2^20122645026 is an apocalyptic number.

20122645026 is an abundant number, since it is smaller than the sum of its proper divisors (23781307902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122645026 is a wasteful number, since it uses less digits than its factorization.

20122645026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304888577.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20122645026 in words is "twenty billion, one hundred twenty-two million, six hundred forty-five thousand, twenty-six".