20453352153604 has 12 divisors (see below), whose sum is σ = 35920744798428. Its totient is φ = 10190282211200.

The previous prime is 20453352153583. The next prime is 20453352153623. The reversal of 20453352153604 is 40635125335402.

It can be written as a sum of positive squares in 2 ways, for example, as 13173284768004 + 7280067385600 = 3629502^2 + 2698160^2 .

It is a super-2 number, since 2×20453352153604² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9098465137 + ... + 9098467384.

It is an arithmetic number, because the mean of its divisors is an integer number (2993395399869).

Almost surely, 2^{20453352153604} is an apocalyptic number.

It is an amenable number.

20453352153604 is a deficient number, since it is larger than the sum of its proper divisors (15467392644824).

20453352153604 is a wasteful number, since it uses less digits than its factorization.

20453352153604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196932806 (or 18196932804 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 20453352153604 in words is "twenty trillion, four hundred fifty-three billion, three hundred fifty-two million, one hundred fifty-three thousand, six hundred four".