64126020 has 48 divisors (see below), whose sum is σ = 205204608. Its totient is φ = 14657280.

The previous prime is 64126019. The next prime is 64126079. The reversal of 64126020 is 2062146.

It is a happy number.

64126020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64126020² = 8224292882080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75921 + ... + 76760.

It is an arithmetic number, because the mean of its divisors is an integer number (4275096).

Almost surely, 2^64126020 is an apocalyptic number.

64126020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64126020 is an abundant number, since it is smaller than the sum of its proper divisors (141078588).

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

64126020 is a wasteful number, since it uses less digits than its factorization.

64126020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152700 (or 152698 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64126020 is about 8007.8723766054. The cubic root of 64126020 is about 400.2623695346.

Adding to 64126020 its reverse (2062146), we get a palindrome (66188166).

The spelling of 64126020 in words is "sixty-four million, one hundred twenty-six thousand, twenty".