20134426 has 16 divisors (see below), whose sum is σ = 34438824. Its totient is φ = 8745984.

The previous prime is 20134423. The next prime is 20134463. The reversal of 20134426 is 62443102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18447025 + 1687401 = 4295^2 + 1299^2 .

It is a super-2 number, since 2×20134426² = 810790220698952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20134397 and 20134406.

It is not an unprimeable number, because it can be changed into a prime (20134423) 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, 22335 + ... + 23218.

Almost surely, 2^20134426 is an apocalyptic number.

20134426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20134426 is a deficient number, since it is larger than the sum of its proper divisors (14304398).

20134426 is a wasteful number, since it uses less digits than its factorization.

20134426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45585.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20134426 is about 4487.1400691309. The cubic root of 20134426 is about 272.0485513822.

Adding to 20134426 its reverse (62443102), we get a palindrome (82577528).

It can be divided in two parts, 201344 and 26, that multiplied together give a square (5234944 = 2288²).

The spelling of 20134426 in words is "twenty million, one hundred thirty-four thousand, four hundred twenty-six".