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20003057796 = 2238232025421
BaseRepresentation
bin10010101000010001…
…100111000010000100
31220122001021121202110
4102220101213002010
5311431240322141
613104514541020
71305460120521
oct225021470204
956561247673
1020003057796
118535228427
123a62b97770
131b6a208697
14d7a880148
157c1171e16
hex4a8467084

20003057796 has 24 divisors (see below), whose sum is σ = 46730536384. Its totient is φ = 6659580960.

The previous prime is 20003057783. The next prime is 20003057797. The reversal of 20003057796 is 69775030002.

It is not an unprimeable number, because it can be changed into a prime (20003057797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002835 + ... + 1022586.

Almost surely, 220003057796 is an apocalyptic number.

It is an amenable number.

20003057796 is an abundant number, since it is smaller than the sum of its proper divisors (26727478588).

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

20003057796 is a wasteful number, since it uses less digits than its factorization.

20003057796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026251 (or 2026249 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

Adding to 20003057796 its reverse (69775030002), we get a palindrome (89778087798).

The spelling of 20003057796 in words is "twenty billion, three million, fifty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 823 1646 2469 3292 4938 9876 2025421 4050842 6076263 8101684 12152526 24305052 1666921483 3333842966 5000764449 6667685932 10001528898 20003057796