147774111020 has 24 divisors (see below), whose sum is σ = 310564216368. Its totient is φ = 59064200000.

The previous prime is 147774111013. The next prime is 147774111061. The reversal of 147774111020 is 20111477741.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2813606 + ... + 2865645.

It is an arithmetic number, because the mean of its divisors is an integer number (12940175682).

Almost surely, 2^147774111020 is an apocalyptic number.

147774111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147774111020 is an abundant number, since it is smaller than the sum of its proper divisors (162790105348).

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

147774111020 is a wasteful number, since it uses less digits than its factorization.

147774111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680561 (or 5680559 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 35.

Adding to 147774111020 its reverse (20111477741), we get a palindrome (167885588761).

The spelling of 147774111020 in words is "one hundred forty-seven billion, seven hundred seventy-four million, one hundred eleven thousand, twenty".