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20002102030 = 2523142760943
BaseRepresentation
bin10010101000001101…
…111101101100001110
31220121222111001200201
4102220031331230032
5311431014231110
613104442244114
71305446030161
oct225015755416
956558431621
1020002102030
118534735339
123a627b663a
131b69c62641
14d7a6b1ad8
157c1033b3a
hex4a837db0e

20002102030 has 32 divisors (see below), whose sum is σ = 37596109824. Its totient is φ = 7647489696.

The previous prime is 20002101997. The next prime is 20002102067. The reversal of 20002102030 is 3020120002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20002101998 and 20002102016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297739 + ... + 358681.

It is an arithmetic number, because the mean of its divisors is an integer number (1174878432).

Almost surely, 220002102030 is an apocalyptic number.

20002102030 is a deficient number, since it is larger than the sum of its proper divisors (17594007794).

20002102030 is a wasteful number, since it uses less digits than its factorization.

20002102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62400.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20002102030 its reverse (3020120002), we get a palindrome (23022222032).

The spelling of 20002102030 in words is "twenty billion, two million, one hundred two thousand, thirty".

Divisors: 1 2 5 10 23 46 115 230 1427 2854 7135 14270 32821 60943 65642 121886 164105 304715 328210 609430 1401689 2803378 7008445 14016890 86965661 173931322 434828305 869656610 2000210203 4000420406 10001051015 20002102030