137774120020 has 48 divisors (see below), whose sum is σ = 289920456000. Its totient is φ = 54996468480.

The previous prime is 137774120009. The next prime is 137774120039. The reversal of 137774120020 is 20021477731.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 31021000 + ... + 31025440.

It is an arithmetic number, because the mean of its divisors is an integer number (6040009500).

Almost surely, 2^137774120020 is an apocalyptic number.

137774120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137774120020 is an abundant number, since it is smaller than the sum of its proper divisors (152146335980).

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

137774120020 is a wasteful number, since it uses less digits than its factorization.

137774120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

Adding to 137774120020 its reverse (20021477731), we get a palindrome (157795597751).

The spelling of 137774120020 in words is "one hundred thirty-seven billion, seven hundred seventy-four million, one hundred twenty thousand, twenty".