154332020 has 24 divisors (see below), whose sum is σ = 330994944. Its totient is φ = 60418976.

The previous prime is 154332019. The next prime is 154332071. The reversal of 154332020 is 20233451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 154331983 and 154332001.

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, 81152 + ... + 83031.

It is an arithmetic number, because the mean of its divisors is an integer number (13791456).

Almost surely, 2^154332020 is an apocalyptic number.

154332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154332020 is an abundant number, since it is smaller than the sum of its proper divisors (176662924).

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

154332020 is a wasteful number, since it uses less digits than its factorization.

154332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164239 (or 164237 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 154332020 is about 12423.0439104110. The cubic root of 154332020 is about 536.3957730782.

Adding to 154332020 its reverse (20233451), we get a palindrome (174565471).

The spelling of 154332020 in words is "one hundred fifty-four million, three hundred thirty-two thousand, twenty".