1010000122020 has 72 divisors (see below), whose sum is σ = 3067988534520. Its totient is φ = 268953454080.

The previous prime is 1010000122013. The next prime is 1010000122063. The reversal of 1010000122020 is 202210000101.

It can be written as a sum of positive squares in 4 ways, for example, as 4155607296 + 1005844514724 = 64464^2 + 1002918^2 .

It is a super-3 number, since 3×1010000122020³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010000121993 and 1010000122011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3829441 + ... + 4084680.

Almost surely, 2^{1010000122020} is an apocalyptic number.

1010000122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010000122020 is an abundant number, since it is smaller than the sum of its proper divisors (2057988412500).

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

1010000122020 is a wasteful number, since it uses less digits than its factorization.

1010000122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914845 (or 7914840 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1010000122020 its reverse (202210000101), we get a palindrome (1212210122121).

The spelling of 1010000122020 in words is "one trillion, ten billion, one hundred twenty-two thousand, twenty".