20453210651062 has 16 divisors (see below), whose sum is σ = 35074330556832. Its totient is φ = 8762740776000.

The previous prime is 20453210650979. The next prime is 20453210651101. The reversal of 20453210651062 is 26015601235402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 243367453 + ... + 243451480.

It is an arithmetic number, because the mean of its divisors is an integer number (2192145659802).

Almost surely, 2^{20453210651062} is an apocalyptic number.

20453210651062 is a deficient number, since it is larger than the sum of its proper divisors (14621119905770).

20453210651062 is a wasteful number, since it uses less digits than its factorization.

20453210651062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486821943.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 20453210651062 its reverse (26015601235402), we get a palindrome (46468811886464).

The spelling of 20453210651062 in words is "twenty trillion, four hundred fifty-three billion, two hundred ten million, six hundred fifty-one thousand, sixty-two".