1031003022020 has 12 divisors (see below), whose sum is σ = 2165106346284. Its totient is φ = 412401208800.

The previous prime is 1031003021987. The next prime is 1031003022043. The reversal of 1031003022020 is 202203001301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 744064958464 + 286938063556 = 862592^2 + 535666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031003021986 and 1031003022004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25775075531 + ... + 25775075570.

It is an arithmetic number, because the mean of its divisors is an integer number (180425528857).

Almost surely, 2^{1031003022020} is an apocalyptic number.

1031003022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031003022020 is an abundant number, since it is smaller than the sum of its proper divisors (1134103324264).

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

1031003022020 is a wasteful number, since it uses less digits than its factorization.

1031003022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51550151110 (or 51550151108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1031003022020 its reverse (202203001301), we get a palindrome (1233206023321).

The spelling of 1031003022020 in words is "one trillion, thirty-one billion, three million, twenty-two thousand, twenty".