151122020 has 48 divisors (see below), whose sum is σ = 363740160. Its totient is φ = 51663744.

The previous prime is 151122017. The next prime is 151122073. The reversal of 151122020 is 20221151.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 151121986 and 151122004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54221 + ... + 56939.

It is an arithmetic number, because the mean of its divisors is an integer number (7577920).

Almost surely, 2^151122020 is an apocalyptic number.

151122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151122020 is an abundant number, since it is smaller than the sum of its proper divisors (212618140).

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

151122020 is a wasteful number, since it uses less digits than its factorization.

151122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 151122020 is about 12293.1696482234. The cubic root of 151122020 is about 532.6507996427.

Adding to 151122020 its reverse (20221151), we get a palindrome (171343171).

The spelling of 151122020 in words is "one hundred fifty-one million, one hundred twenty-two thousand, twenty".