155752536220 has 24 divisors (see below), whose sum is σ = 327451623408. Its totient is φ = 62230291200.

The previous prime is 155752536211. The next prime is 155752536241. The reversal of 155752536220 is 22635257551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402146 + ... + 4437385.

It is an arithmetic number, because the mean of its divisors is an integer number (13643817642).

Almost surely, 2^155752536220 is an apocalyptic number.

155752536220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155752536220 is an abundant number, since it is smaller than the sum of its proper divisors (171699087188).

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

155752536220 is a wasteful number, since it uses less digits than its factorization.

155752536220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840421 (or 8840419 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 155752536220 in words is "one hundred fifty-five billion, seven hundred fifty-two million, five hundred thirty-six thousand, two hundred twenty".