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20052201513 = 319920938201
BaseRepresentation
bin10010101011001101…
…000101000000101001
31220202110202101021010
4102223031011000221
5312031330422023
613113432134133
71306624620621
oct225315050051
956673671233
1020052201513
11855aa43873
123a77537349
131b774540c6
14d831d3881
157c562d093
hex4ab345029

20052201513 has 16 divisors (see below), whose sum is σ = 28147233600. Its totient is φ = 12662841600.

The previous prime is 20052201497. The next prime is 20052201523. The reversal of 20052201513 is 31510225002.

It is not a de Polignac number, because 20052201513 - 24 = 20052201497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20052201513.

It is not an unprimeable number, because it can be changed into a prime (20052201523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505813 + ... + 544013.

It is an arithmetic number, because the mean of its divisors is an integer number (1759202100).

Almost surely, 220052201513 is an apocalyptic number.

It is an amenable number.

20052201513 is a deficient number, since it is larger than the sum of its proper divisors (8095032087).

20052201513 is a wasteful number, since it uses less digits than its factorization.

20052201513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47432.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20052201513 its reverse (31510225002), we get a palindrome (51562426515).

The spelling of 20052201513 in words is "twenty billion, fifty-two million, two hundred one thousand, five hundred thirteen".

Divisors: 1 3 19 57 9209 27627 38201 114603 174971 524913 725819 2177457 351793009 1055379027 6684067171 20052201513