1010200012020 has 48 divisors (see below), whose sum is σ = 3142844483520. Its totient is φ = 269386669728.

The previous prime is 1010200011943. The next prime is 1010200012033. The reversal of 1010200012020 is 202100020101.

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 = 1010200011993 and 1010200012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935369842 + ... + 935370921.

It is an arithmetic number, because the mean of its divisors is an integer number (65475926740).

Almost surely, 2^{1010200012020} is an apocalyptic number.

1010200012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010200012020 is an abundant number, since it is smaller than the sum of its proper divisors (2132644471500).

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

1010200012020 is a wasteful number, since it uses less digits than its factorization.

1010200012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870740781 (or 1870740773 counting only the distinct ones).

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

Adding to 1010200012020 its reverse (202100020101), we get a palindrome (1212300032121).

The spelling of 1010200012020 in words is "one trillion, ten billion, two hundred million, twelve thousand, twenty".