1020313200020 has 12 divisors (see below), whose sum is σ = 2142657720084. Its totient is φ = 408125280000.

The previous prime is 1020313200007. The next prime is 1020313200031. The reversal of 1020313200020 is 200023130201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 629540686096 + 390772513924 = 793436^2 + 625118^2 .

It is a super-2 number, since 2×1020313200020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020313199968 and 1020313200004.

It is a congruent number.

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, 25507829981 + ... + 25507830020.

It is an arithmetic number, because the mean of its divisors is an integer number (178554810007).

Almost surely, 2^{1020313200020} is an apocalyptic number.

1020313200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020313200020 is an abundant number, since it is smaller than the sum of its proper divisors (1122344520064).

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

1020313200020 is a wasteful number, since it uses less digits than its factorization.

1020313200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015660010 (or 51015660008 counting only the distinct ones).

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

Adding to 1020313200020 its reverse (200023130201), we get a palindrome (1220336330221).

The spelling of 1020313200020 in words is "one trillion, twenty billion, three hundred thirteen million, two hundred thousand, twenty".