1220010003020 has 24 divisors (see below), whose sum is σ = 2563174643568. Its totient is φ = 487784260800.

The previous prime is 1220010003011. The next prime is 1220010003077. The reversal of 1220010003020 is 203000100221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220010002992 and 1220010003010.

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, 13688246 + ... + 13777085.

It is an arithmetic number, because the mean of its divisors is an integer number (106798943482).

Almost surely, 2^{1220010003020} is an apocalyptic number.

1220010003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220010003020 is an abundant number, since it is smaller than the sum of its proper divisors (1343164640548).

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

1220010003020 is a wasteful number, since it uses less digits than its factorization.

1220010003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27467561 (or 27467559 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1220010003020 its reverse (203000100221), we get a palindrome (1423010103241).

The spelling of 1220010003020 in words is "one trillion, two hundred twenty billion, ten million, three thousand, twenty".