131220020010 has 32 divisors (see below), whose sum is σ = 315250460352. Its totient is φ = 34956181760.

The previous prime is 131220019991. The next prime is 131220020047. The reversal of 131220020010 is 10020022131.

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, 2209176 + ... + 2267795.

It is an arithmetic number, because the mean of its divisors is an integer number (9851576886).

Almost surely, 2^131220020010 is an apocalyptic number.

131220020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131220020010 is an abundant number, since it is smaller than the sum of its proper divisors (184030440342).

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

131220020010 is a wasteful number, since it uses less digits than its factorization.

131220020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477958.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 131220020010 its reverse (10020022131), we get a palindrome (141240042141).

The spelling of 131220020010 in words is "one hundred thirty-one billion, two hundred twenty million, twenty thousand, ten".