1301100020 has 48 divisors (see below), whose sum is σ = 3050042688. Its totient is φ = 462120960.

The previous prime is 1301100019. The next prime is 1301100023. The reversal of 1301100020 is 200011031.

It is a super-2 number, since 2×1301100020² = 3385722524088000800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301099980 and 1301100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301100023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59309 + ... + 78228.

It is an arithmetic number, because the mean of its divisors is an integer number (63542556).

Almost surely, 2^1301100020 is an apocalyptic number.

1301100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301100020 is an abundant number, since it is smaller than the sum of its proper divisors (1748942668).

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

1301100020 is a wasteful number, since it uses less digits than its factorization.

1301100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137600 (or 137598 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1301100020 is about 36070.7640617717. The cubic root of 1301100020 is about 1091.7006306340.

Adding to 1301100020 its reverse (200011031), we get a palindrome (1501111051).

The spelling of 1301100020 in words is "one billion, three hundred one million, one hundred thousand, twenty".