20452533465330 has 48 divisors (see below), whose sum is σ = 53182222928640. Its totient is φ = 5453430881184.

The previous prime is 20452533465251. The next prime is 20452533465367. The reversal of 20452533465330 is 3356433525402.

20452533465330 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 253 + 3 + 4 + 65 + 330 = 666.

It is a super-2 number, since 2×20452533465330² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11188332 + ... + 12887351.

It is an arithmetic number, because the mean of its divisors is an integer number (1107962977680).

Almost surely, 2^{20452533465330} is an apocalyptic number.

20452533465330 is an abundant number, since it is smaller than the sum of its proper divisors (32729689463310).

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

20452533465330 is a wasteful number, since it uses less digits than its factorization.

20452533465330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085135 (or 24085132 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 45.

The spelling of 20452533465330 in words is "twenty trillion, four hundred fifty-two billion, five hundred thirty-three million, four hundred sixty-five thousand, three hundred thirty".