153021651220 has 12 divisors (see below), whose sum is σ = 321345467604. Its totient is φ = 61208660480.

The previous prime is 153021651173. The next prime is 153021651221. The reversal of 153021651220 is 22156120351.

It can be written as a sum of positive squares in 2 ways, for example, as 53770189456 + 99251461764 = 231884^2 + 315042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153021651221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825541261 + ... + 3825541300.

It is an arithmetic number, because the mean of its divisors is an integer number (26778788967).

Almost surely, 2^153021651220 is an apocalyptic number.

153021651220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153021651220 is an abundant number, since it is smaller than the sum of its proper divisors (168323816384).

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

153021651220 is a wasteful number, since it uses less digits than its factorization.

153021651220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651082570 (or 7651082568 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 153021651220 its reverse (22156120351), we get a palindrome (175177771571).

The spelling of 153021651220 in words is "one hundred fifty-three billion, twenty-one million, six hundred fifty-one thousand, two hundred twenty".