20022020001020 has 24 divisors (see below), whose sum is σ = 43874339481504. Its totient is φ = 7660598956736.

The previous prime is 20022020001013. The next prime is 20022020001059. The reversal of 20022020001020 is 2010002022002.

It is a junction number, because it is equal to n+sod(n) for n = 20022020000992 and 20022020001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21763064759 + ... + 21763065678.

It is an arithmetic number, because the mean of its divisors is an integer number (1828097478396).

Almost surely, 2^{20022020001020} is an apocalyptic number.

20022020001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022020001020 is an abundant number, since it is smaller than the sum of its proper divisors (23852319480484).

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

20022020001020 is a wasteful number, since it uses less digits than its factorization.

20022020001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43526130469 (or 43526130467 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022020001020 its reverse (2010002022002), we get a palindrome (22032022023022).

The spelling of 20022020001020 in words is "twenty trillion, twenty-two billion, twenty million, one thousand, twenty".