1002205154436 has 24 divisors (see below), whose sum is σ = 2370512650464. Its totient is φ = 329492105280.

The previous prime is 1002205154417. The next prime is 1002205154449. The reversal of 1002205154436 is 6344515022001.

It is a super-2 number, since 2×1002205154436² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002205154397 and 1002205154406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572034030 + ... + 572035781.

It is an arithmetic number, because the mean of its divisors is an integer number (98771360436).

Almost surely, 2^{1002205154436} is an apocalyptic number.

It is an amenable number.

1002205154436 is an abundant number, since it is smaller than the sum of its proper divisors (1368307496028).

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

1002205154436 is a wasteful number, since it uses less digits than its factorization.

1002205154436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144069891 (or 1144069889 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 1002205154436 in words is "one trillion, two billion, two hundred five million, one hundred fifty-four thousand, four hundred thirty-six".