154675420220 has 24 divisors (see below), whose sum is σ = 336019017600. Its totient is φ = 59736713792.

The previous prime is 154675420213. The next prime is 154675420223. The reversal of 154675420220 is 22024576451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154675420223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133340300 + ... + 133341459.

It is an arithmetic number, because the mean of its divisors is an integer number (14000792400).

Almost surely, 2^154675420220 is an apocalyptic number.

154675420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154675420220 is an abundant number, since it is smaller than the sum of its proper divisors (181343597380).

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

154675420220 is a wasteful number, since it uses less digits than its factorization.

154675420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266681797 (or 266681795 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 154675420220 its reverse (22024576451), we get a palindrome (176699996671).

The spelling of 154675420220 in words is "one hundred fifty-four billion, six hundred seventy-five million, four hundred twenty thousand, two hundred twenty".