20453043210051 has 32 divisors (see below), whose sum is σ = 28919835148288. Its totient is φ = 12835062645120.

The previous prime is 20453043210011. The next prime is 20453043210053. The reversal of 20453043210051 is 15001234035402.

It is not a de Polignac number, because 20453043210051 - 2¹³ = 20453043201859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20453043210053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10725390 + ... + 12487596.

It is an arithmetic number, because the mean of its divisors is an integer number (903744848384).

Almost surely, 2^{20453043210051} is an apocalyptic number.

20453043210051 is a deficient number, since it is larger than the sum of its proper divisors (8466791938237).

20453043210051 is a wasteful number, since it uses less digits than its factorization.

20453043210051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765651.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20453043210051 its reverse (15001234035402), we get a palindrome (35454277245453).

The spelling of 20453043210051 in words is "twenty trillion, four hundred fifty-three billion, forty-three million, two hundred ten thousand, fifty-one".