20262001123 has 48 divisors (see below), whose sum is σ = 27029026080. Its totient is φ = 15002717184.

The previous prime is 20262001121. The next prime is 20262001127. The reversal of 20262001123 is 32110026202.

It is not a de Polignac number, because 20262001123 - 2¹ = 20262001121 is a prime.

It is a super-2 number, since 2×20262001123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20262001123.

It is not an unprimeable number, because it can be changed into a prime (20262001121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1933165 + ... + 1943617.

It is an arithmetic number, because the mean of its divisors is an integer number (563104710).

Almost surely, 2^20262001123 is an apocalyptic number.

20262001123 is a deficient number, since it is larger than the sum of its proper divisors (6767024957).

20262001123 is a wasteful number, since it uses less digits than its factorization.

20262001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20262001123 its reverse (32110026202), we get a palindrome (52372027325).

The spelling of 20262001123 in words is "twenty billion, two hundred sixty-two million, one thousand, one hundred twenty-three".