126300020 has 48 divisors (see below), whose sum is σ = 330680448. Its totient is φ = 39365760.

The previous prime is 126299963. The next prime is 126300023. The reversal of 126300020 is 20003621.

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 = 126299968 and 126300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126300023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39467 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (6889176).

Almost surely, 2^126300020 is an apocalyptic number.

126300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126300020 is an abundant number, since it is smaller than the sum of its proper divisors (204380428).

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

126300020 is a wasteful number, since it uses less digits than its factorization.

126300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82040 (or 82038 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 126300020 is about 11238.3281674811. The cubic root of 126300020 is about 501.7273854069.

Adding to 126300020 its reverse (20003621), we get a palindrome (146303641).

The spelling of 126300020 in words is "one hundred twenty-six million, three hundred thousand, twenty".