1020450205450 has 96 divisors (see below), whose sum is σ = 2153134065600. Its totient is φ = 356700049920.

The previous prime is 1020450205403. The next prime is 1020450205477. The reversal of 1020450205450 is 545020540201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17990334 + ... + 18046966.

It is an arithmetic number, because the mean of its divisors is an integer number (22428479850).

Almost surely, 2^{1020450205450} is an apocalyptic number.

1020450205450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020450205450 is an abundant number, since it is smaller than the sum of its proper divisors (1132683860150).

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

1020450205450 is a wasteful number, since it uses less digits than its factorization.

1020450205450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58136 (or 58131 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 1020450205450 its reverse (545020540201), we get a palindrome (1565470745651).

The spelling of 1020450205450 in words is "one trillion, twenty billion, four hundred fifty million, two hundred five thousand, four hundred fifty".