153988020 has 96 divisors (see below), whose sum is σ = 481904640. Its totient is φ = 40821120.

The previous prime is 153988001. The next prime is 153988033. The reversal of 153988020 is 20889351.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102394 + ... + 103886.

It is an arithmetic number, because the mean of its divisors is an integer number (5019840).

Almost surely, 2^153988020 is an apocalyptic number.

153988020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153988020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240952320).

153988020 is an abundant number, since it is smaller than the sum of its proper divisors (327916620).

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

153988020 is a wasteful number, since it uses less digits than its factorization.

153988020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 153988020 is about 12409.1909486477. The cubic root of 153988020 is about 535.9969415805.

The spelling of 153988020 in words is "one hundred fifty-three million, nine hundred eighty-eight thousand, twenty".