1000020010220 has 96 divisors (see below), whose sum is σ = 2644157730816. Its totient is φ = 308608416000.

The previous prime is 1000020010207. The next prime is 1000020010229. The reversal of 1000020010220 is 220100200001.

It is a junction number, because it is equal to n+sod(n) for n = 1000020010198 and 1000020010207.

It is not an unprimeable number, because it can be changed into a prime (1000020010229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3059132 + ... + 3370211.

It is an arithmetic number, because the mean of its divisors is an integer number (27543309696).

Almost surely, 2^{1000020010220} is an apocalyptic number.

1000020010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000020010220 is an abundant number, since it is smaller than the sum of its proper divisors (1644137720596).

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

1000020010220 is a wasteful number, since it uses less digits than its factorization.

1000020010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429471 (or 6429469 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1000020010220 its reverse (220100200001), we get a palindrome (1220120210221).

The spelling of 1000020010220 in words is "one trillion, twenty million, ten thousand, two hundred twenty".