124022020 has 24 divisors (see below), whose sum is σ = 262755864. Its totient is φ = 49168896.

The previous prime is 124021981. The next prime is 124022029. The reversal of 124022020 is 20220421.

It can be written as a sum of positive squares in 4 ways, for example, as 13897984 + 110124036 = 3728^2 + 10494^2 .

It is a super-2 number, since 2×124022020² = 30762922889760800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124022029) 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, 25179 + ... + 29698.

It is an arithmetic number, because the mean of its divisors is an integer number (10948161).

Almost surely, 2^124022020 is an apocalyptic number.

124022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124022020 is an abundant number, since it is smaller than the sum of its proper divisors (138733844).

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

124022020 is a wasteful number, since it uses less digits than its factorization.

124022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54999 (or 54997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 124022020 is about 11136.5174089569. The cubic root of 124022020 is about 498.6926111148.

Adding to 124022020 its reverse (20220421), we get a palindrome (144242441).

The spelling of 124022020 in words is "one hundred twenty-four million, twenty-two thousand, twenty".