20401010450 has 24 divisors (see below), whose sum is σ = 38032357440. Its totient is φ = 8141806800.

The previous prime is 20401010449. The next prime is 20401010453. The reversal of 20401010450 is 5401010402.

It is not an unprimeable number, because it can be changed into a prime (20401010453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442766 + ... + 486665.

It is an arithmetic number, because the mean of its divisors is an integer number (1584681560).

Almost surely, 2^20401010450 is an apocalyptic number.

20401010450 is a deficient number, since it is larger than the sum of its proper divisors (17631346990).

20401010450 is a wasteful number, since it uses less digits than its factorization.

20401010450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929882 (or 929877 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20401010450 its reverse (5401010402), we get a palindrome (25802020852).

The spelling of 20401010450 in words is "twenty billion, four hundred one million, ten thousand, four hundred fifty".