20126838060 has 72 divisors (see below), whose sum is σ = 69773042976. Its totient is φ = 4600419840.

The previous prime is 20126838037. The next prime is 20126838077. The reversal of 20126838060 is 6083862102.

It is a super-2 number, since 2×20126838060² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7985581 + ... + 7988100.

Almost surely, 2^20126838060 is an apocalyptic number.

20126838060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20126838060 is an abundant number, since it is smaller than the sum of its proper divisors (49646204916).

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

20126838060 is a wasteful number, since it uses less digits than its factorization.

20126838060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973703 (or 15973698 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 20126838060 in words is "twenty billion, one hundred twenty-six million, eight hundred thirty-eight thousand, sixty".