20013202021026 has 32 divisors (see below), whose sum is σ = 40879971256320. Its totient is φ = 6528819621456.

The previous prime is 20013202020991. The next prime is 20013202021027. The reversal of 20013202021026 is 62012020231002.

It is a junction number, because it is equal to n+sod(n) for n = 20013202020993 and 20013202021011.

It is not an unprimeable number, because it can be changed into a prime (20013202021027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4299915 + ... + 7649553.

It is an arithmetic number, because the mean of its divisors is an integer number (1277499101760).

Almost surely, 2^{20013202021026} is an apocalyptic number.

20013202021026 is an abundant number, since it is smaller than the sum of its proper divisors (20866769235294).

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

20013202021026 is a wasteful number, since it uses less digits than its factorization.

20013202021026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370878.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20013202021026 its reverse (62012020231002), we get a palindrome (82025222252028).

The spelling of 20013202021026 in words is "twenty trillion, thirteen billion, two hundred two million, twenty-one thousand, twenty-six".