20005003120026 has 64 divisors (see below), whose sum is σ = 43570440720000. Its totient is φ = 6099196465152.

The previous prime is 20005003119989. The next prime is 20005003120043. The reversal of 20005003120026 is 62002130050002.

It is a junction number, because it is equal to n+sod(n) for n = 20005003119984 and 20005003120011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64275390 + ... + 64585878.

It is an arithmetic number, because the mean of its divisors is an integer number (680788136250).

Almost surely, 2^{20005003120026} is an apocalyptic number.

20005003120026 is an abundant number, since it is smaller than the sum of its proper divisors (23565437599974).

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

20005003120026 is a wasteful number, since it uses less digits than its factorization.

20005003120026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330031.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20005003120026 its reverse (62002130050002), we get a palindrome (82007133170028).

The spelling of 20005003120026 in words is "twenty trillion, five billion, three million, one hundred twenty thousand, twenty-six".