153020420 has 48 divisors (see below), whose sum is σ = 368903808. Its totient is φ = 52227840.

The previous prime is 153020401. The next prime is 153020431. The reversal of 153020420 is 24020351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30275 + ... + 34965.

It is an arithmetic number, because the mean of its divisors is an integer number (7685496).

Almost surely, 2^153020420 is an apocalyptic number.

153020420 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 153020420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184451904).

153020420 is an abundant number, since it is smaller than the sum of its proper divisors (215883388).

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

153020420 is a wasteful number, since it uses less digits than its factorization.

153020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940 (or 4938 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 153020420 is about 12370.1422788907. The cubic root of 153020420 is about 534.8719173981.

Adding to 153020420 its reverse (24020351), we get a palindrome (177040771).

The spelling of 153020420 in words is "one hundred fifty-three million, twenty thousand, four hundred twenty".