1220301040020 has 48 divisors (see below), whose sum is σ = 3417444051840. Its totient is φ = 325356359296.

The previous prime is 1220301039983. The next prime is 1220301040037. The reversal of 1220301040020 is 200401030221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444680 + ... + 2127839.

It is an arithmetic number, because the mean of its divisors is an integer number (71196751080).

Almost surely, 2^{1220301040020} is an apocalyptic number.

1220301040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220301040020 is an abundant number, since it is smaller than the sum of its proper divisors (2197143011820).

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

1220301040020 is a wasteful number, since it uses less digits than its factorization.

1220301040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578224 (or 3578222 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1220301040020 its reverse (200401030221), we get a palindrome (1420702070241).

It can be divided in two parts, 122030 and 1040020, that added together give a triangular number (1162050 = T₁₅₂₄).

The spelling of 1220301040020 in words is "one trillion, two hundred twenty billion, three hundred one million, forty thousand, twenty".