20234230400000 has 132 divisors (see below), whose sum is σ = 50557648111236. Its totient is φ = 8093690880000.

The previous prime is 20234230399991. The next prime is 20234230400009. The reversal of 20234230400000 is 403243202.

It is an interprime number because it is at equal distance from previous prime (20234230399991) and next prime (20234230400009).

It can be written as a sum of positive squares in 6 ways, for example, as 15091422413824 + 5142807986176 = 3884768^2 + 2267776^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20234230400009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38402 + ... + 6361598.

Almost surely, 2^{20234230400000} is an apocalyptic number.

20234230400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20234230400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25278824055618).

20234230400000 is an abundant number, since it is smaller than the sum of its proper divisors (30323417711236).

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

20234230400000 is an frugal number, since it uses more digits than its factorization.

20234230400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323242 (or 6323204 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20234230400000 its reverse (403243202), we get a palindrome (20234633643202).

The spelling of 20234230400000 in words is "twenty trillion, two hundred thirty-four billion, two hundred thirty million, four hundred thousand".