20453206156204 has 24 divisors (see below), whose sum is σ = 35949667158720. Its totient is φ = 10181888860416.

The previous prime is 20453206156199. The next prime is 20453206156211. The reversal of 20453206156204 is 40265160235402.

It is a happy number.

It is a super-3 number, since 3×20453206156204³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044434 + ... + 7083430.

It is an arithmetic number, because the mean of its divisors is an integer number (1497902798280).

Almost surely, 2^{20453206156204} is an apocalyptic number.

It is an amenable number.

20453206156204 is a deficient number, since it is larger than the sum of its proper divisors (15496461002516).

20453206156204 is a wasteful number, since it uses less digits than its factorization.

20453206156204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044537 (or 4044535 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 20453206156204 in words is "twenty trillion, four hundred fifty-three billion, two hundred six million, one hundred fifty-six thousand, two hundred four".