151334220 has 24 divisors (see below), whose sum is σ = 423735984. Its totient is φ = 40355776.

The previous prime is 151334203. The next prime is 151334251. The reversal of 151334220 is 22433151.

It is a super-2 number, since 2×151334220² = 45804092286016800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1261059 + ... + 1261178.

It is an arithmetic number, because the mean of its divisors is an integer number (17655666).

Almost surely, 2^151334220 is an apocalyptic number.

151334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151334220 is an abundant number, since it is smaller than the sum of its proper divisors (272401764).

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

151334220 is a wasteful number, since it uses less digits than its factorization.

151334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522249 (or 2522247 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 151334220 is about 12301.7974296442. The cubic root of 151334220 is about 532.8999926181.

Adding to 151334220 its reverse (22433151), we get a palindrome (173767371).

The spelling of 151334220 in words is "one hundred fifty-one million, three hundred thirty-four thousand, two hundred twenty".