20453200031030 has 64 divisors (see below), whose sum is σ = 41981294936448. Its totient is φ = 7107492648960.

The previous prime is 20453200031029. The next prime is 20453200031107. The reversal of 20453200031030 is 3013000235402.

It is a junction number, because it is equal to n+sod(n) for n = 20453200030987 and 20453200031005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79128200 + ... + 79386260.

It is an arithmetic number, because the mean of its divisors is an integer number (655957733382).

Almost surely, 2^{20453200031030} is an apocalyptic number.

20453200031030 is an abundant number, since it is smaller than the sum of its proper divisors (21528094905418).

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

20453200031030 is a wasteful number, since it uses less digits than its factorization.

20453200031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293961.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20453200031030 its reverse (3013000235402), we get a palindrome (23466200266432).

The spelling of 20453200031030 in words is "twenty trillion, four hundred fifty-three billion, two hundred million, thirty-one thousand, thirty".