20003406453030 has 128 divisors (see below), whose sum is σ = 64458529422336. Its totient is φ = 3836817216000.

The previous prime is 20003406452941. The next prime is 20003406453071. The reversal of 20003406453030 is 3035460430002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 333027021 + ... + 333087080.

It is an arithmetic number, because the mean of its divisors is an integer number (503582261112).

Almost surely, 2^{20003406453030} is an apocalyptic number.

20003406453030 is an abundant number, since it is smaller than the sum of its proper divisors (44455122969306).

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

20003406453030 is a wasteful number, since it uses less digits than its factorization.

20003406453030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666114142.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 20003406453030 its reverse (3035460430002), we get a palindrome (23038866883032).

The spelling of 20003406453030 in words is "twenty trillion, three billion, four hundred six million, four hundred fifty-three thousand, thirty".